# Mathematics & Measurement

**Type:** Topic
**Words:** 542

## About

Math, dimensions, units, statistics, and exact comparison.

## Words by Level

### A1
- number — A word or symbol like 5, 100, or 3.14 that tells you how many or which one.; frequency rank 434
- math — The study of numbers, shapes, and quantities; mathematics.; frequency rank 3547

### A2
- area — A particular part of a place or region.; frequency rank 861
- level — A position on a scale that shows how much, how high, or how good something is.; frequency rank 1286
- tape — A thin strip of material with a sticky surface, used for fixing or sticking things together.; frequency rank 1457
- weight — How heavy something or someone is.; frequency rank 1705
- unit — A fixed amount used as a standard for measuring something.; frequency rank 1724
- square — A flat shape with four equal sides and four right angles.; frequency rank 1913
- circle — A perfectly round shape, like a ring.; frequency rank 2581
- average — The result of adding several amounts and dividing by how many there are.; frequency rank 3242
- scale — The size or extent of something, especially when it is large.; frequency rank 3600
- inch — A unit of length equal to 2.54 cm, about the width of a thumb.; frequency rank 4516
- factor — One of the things that influences or helps cause a result.; frequency rank 5776
- weigh — To have a particular weight.; frequency rank 6136
- meter — A unit of length equal to 100 centimetres (US spelling of 'metre').; frequency rank 6852
- survey — A set of questions used to find out the opinions or behaviour of a group of people.; frequency rank 7863
- kilo — A unit of weight equal to one thousand grams; short for kilogram.; frequency rank 10237
- gram — A metric unit of mass equal to one thousandth of a kilogram (symbol: g).; frequency rank 12416
- liter — A metric unit of volume equal to one cubic decimeter.; frequency rank 18222
- kilometer — A unit of distance equal to one thousand meters.; frequency rank 22033
- centimeter — A unit of length equal to one hundredth of a metre.; frequency rank 29729
- kilogram — A unit of mass equal to one thousand grams, used in the metric system.; frequency rank 36126

### B1
- yard — The area of ground around a house, often with grass.; frequency rank 2615
- complex — Having many connected parts and so difficult to understand or deal with.; frequency rank 3262
- angle — The space between two lines or surfaces that meet, measured in degrees.; frequency rank 3556
- stretch — To reach out your arms, legs, or body to their full length.; frequency rank 3572
- pound — A unit of weight equal to about 454 grams (16 ounces).; frequency rank 3995
- measure — To find the size, amount, or degree of something.; frequency rank 4031
- height — How tall a person or thing is.; frequency rank 4174
- dial — To enter a telephone number in order to call someone.; frequency rank 4898
- formula — A mathematical or scientific rule written with symbols.; frequency rank 5057
- length — How long something is from one end to the other.; frequency rank 5313
- volume — How loud a sound is.; frequency rank 5724
- depth — The distance from the top to the bottom of something.; frequency rank 5855
- origin — The point or moment at which something begins.; frequency rank 6425
- imaginary — Existing only in the mind, not real.; frequency rank 8107
- mathematics — The study of numbers, shapes, quantities, and the relationships between them.; frequency rank 9218
- calculate — To work out an answer or amount using numbers.; frequency rank 10566
- distribute — To give things out to a number of people.; frequency rank 10988
- sodium — Employing sodium.; frequency rank 12395
- nitrogen — The chemical element with an atomic number of 7 and atomic weight of 14.0067. It is a colorless and odorless gas.; frequency rank 12923
- cylinder — an object or solid shape with straight parallel sides and circular ends; frequency rank 14063
- diameter — A straight line passing through the centre of a circle from one side to the other.; frequency rank 15225
- calculation — The process of working something out using numbers.; frequency rank 17168
- measurement — The act or process of measuring something.; frequency rank 19205
- arithmetic — The basic mathematics of adding, subtracting, multiplying, and dividing numbers.; frequency rank 19307
- graph — A diagram that shows the relationship between sets of numbers, usually drawn with lines or bars.; frequency rank 20654
- statistic — A single piece of information shown as a number.; frequency rank 28598
- milligram — an SI unit of mass equal to 10⁻³ grams. Symbol: mg; frequency rank 33818
- volt — in the International System of Units, the derived unit of electrical potential and electromotive force (voltage); the potential difference across a conductor when a current of one ampere uses one watt of power. Symbol: V; frequency rank 39579
- hexagon — a polygon with six sides and six angles; frequency rank 56886
- milliliter — a metric unit of volume equal to one thousandth of a liter; frequency rank 94122
- clove — a dried flower bud used as a spice, known for its aromatic and pungent flavor

### B2
- division — The act of separating something into parts, or the way it is split.; frequency rank 3083
- ton — A very large amount of something.; frequency rank 4720
- perspective — A particular way of thinking about or judging a situation.; frequency rank 4926
- ranger — An official who looks after and protects a forest or park.; frequency rank 5188
- dimension — A measurement such as length, width, or height.; frequency rank 6682
- holland — A type of linen cloth, originally from Holland.; frequency rank 7044
- newton — the SI derived unit of force, equal to the force required to accelerate a mass of one kilogram by one metre per second squared; symbol N; frequency rank 7411
- triangle — A flat shape with three straight sides and three angles.; frequency rank 7828
- pyramid — a solid shape with a polygonal base and triangular sides that meet at a point; frequency rank 8064
- altitude — The height of something above sea level or the ground.; frequency rank 8592
- equation — A mathematical statement that two amounts or expressions are equal.; frequency rank 9036
- ounce — A unit of weight equal to about 28 grams, or one sixteenth of a pound.; frequency rank 9774
- cube — A solid shape with six equal square sides, like a dice or a box.; frequency rank 9889
- statistics — A set of numbers that gives information about something.; frequency rank 10155
- pi — The number (about 3.14159) you get when you divide a circle's circumference by its diameter.; frequency rank 10351
- uranium — The element with atomic number 92 and symbol U. A radioactive silvery-grey metal in the actinide series.; frequency rank 11035
- theta — the measure of an angle.; frequency rank 11833
- intersection — a place where two or more roads cross each other.; frequency rank 12339
- resentment — Anger or displeasure stemming from belief that one or one's group has been wronged or betrayed by others; indignation.; frequency rank 12979
- caste — social status or position conferred by a system based on class; frequency rank 13135
- granite — something having the unyielding firmness quality of granite; frequency rank 14339
- geometry — the branch of mathematics that studies points, lines, shapes, surfaces, and spatial relationships; frequency rank 14771
- photographic — relating to photography or obtained by using photography; frequency rank 15228
- thermometer — An instrument used to measure temperature.; frequency rank 16237
- millimeter — A unit of length equal to one thousandth of a metre.; frequency rank 17593
- dimensional — having dimension--the quality or character or stature proper to a person; frequency rank 18509
- limestone — An abundant rock of marine and freshwater sediments; primarily composed of calcite (CaCO₃); and occurring in a variety of forms, both crystalline and amorphous.; frequency rank 18626
- width — How wide something is; the distance from one side to the other.; frequency rank 18700
- standpoint — A point of view; a perspective.; frequency rank 19741
- membrane — a thin pliable sheet of material; frequency rank 21283
- watt — the SI derived unit of power, equal to one joule of energy transferred or converted per second; symbol W; frequency rank 21518
- quartz — a hard glossy mineral consisting of silicon dioxide in crystal form; frequency rank 21934
- priesthood — Priests as a group.; frequency rank 22700
- pH — A measure of how acidic or basic a liquid is, on a scale from 0 to 14.; frequency rank 22997
- sorely — to a great degree; frequency rank 23271
- proton — A positively charged subatomic particle forming part of the nucleus of an atom and determining the atomic number of an element, composed of two up quarks and a down quark.; frequency rank 23694
- pointer — Anything that points or is used for pointing.; frequency rank 24591
- singularity — the quality of being one of a kind; frequency rank 25055
- metric — A standard for measuring or judging something, especially performance or quality.; frequency rank 25727
- inaccessible — Not able to be accessed; out of reach; inconvenient.; frequency rank 25966
- subtract — To take a number or amount away from another.; frequency rank 27163
- shortness — The quality of being small in length, distance, or height.; frequency rank 27668
- phosphorus — A chemical element (symbol P) with an atomic number of 15, that exists in several allotropic forms.; frequency rank 28649
- teaspoon — A small spoon used for stirring drinks like tea or coffee.; frequency rank 28831
- theorem — A mathematical statement that is expected to be true.; frequency rank 29066
- denominator — the number or expression below the line in a fraction, showing how many equal parts form a whole; frequency rank 29408
- openness — without obstructions to passage or view; frequency rank 29731
- radial — extending, moving, or arranged along radii from a central point; frequency rank 29971
- pandemic — A disease that spreads across many countries and affects a very large number of people.; frequency rank 31467
- tonne — A unit of mass equal to 1,000 kilograms.; frequency rank 33275
- carat — a metric unit of mass equal to 200 milligrams, used for gemstones and pearls; frequency rank 33380
- sine — in a right triangle, the ratio of the side opposite an angle to the hypotenuse; more generally, the corresponding trigonometric function; frequency rank 36093
- notation — a system of written symbols and rules used to represent quantities, sounds, moves, or other specialized information; frequency rank 36877
- quantify — To measure or express something as a number or amount.; frequency rank 44308
- subdivision — A smaller part into which something larger has been divided.; frequency rank 45008
- hypotenuse — the side of a right triangle opposite its right angle; frequency rank 47516
- coefficient — mathematics: a number or other constant that multiplies a variable or algebraic term; frequency rank 47969
- tare — the weight of an empty container or vehicle, deducted from gross weight to find the weight of its contents; frequency rank 78992
- numerator — the number or expression written above the line in a fraction, indicating how many equal parts are being considered; frequency rank 124366
- micrometer — A tool for measuring very small distances, such as thickness or diameter, with great precision.; frequency rank 133743
- industrialize — To develop industries and factories in a country or area.; frequency rank 148571
- pentagonal — having five sides and five angles, or relating to a pentagon; frequency rank 164159

### C1
- troy — designating a system of weights used chiefly for precious metals and gemstones; frequency rank 4471
- cam — A ridge or mound of earth.; frequency rank 4951
- hen — A female chicken (Gallus gallus), especially a sexually mature one kept for her eggs.; frequency rank 8063
- caliber — the level of quality, ability, or importance of a person or thing; frequency rank 10901
- infinity — endlessness, unlimitedness, absence of a beginning, end or limits to size.; frequency rank 12852
- theoretically — in a theoretical manner; frequency rank 12895
- density — How much of something there is in a given space or area.; frequency rank 14680
- helium — a very light, colorless, and odorless element that is one of the six inert gasses; frequency rank 14783
- vegetation — plants in general, especially the plants that grow in a particular area; frequency rank 15824
- algebra — A system or process (especially one that is complex or convoluted) that substitutes one thing for another, or uses signs or symbols to represent concepts or ideas.; frequency rank 15954
- acre — A unit of land area equal to about 4,047 square metres.; frequency rank 16204
- infinitely — continuing forever without end; frequency rank 16944
- likelihood — The chance or probability that something will happen.; frequency rank 17985
- cleavage — the state of being split or cleft; frequency rank 20309
- symmetrical — Exhibiting symmetry; having harmonious or proportionate arrangement of parts; having corresponding parts or relations.; frequency rank 24141
- large-scale — Involving a large number of people or things, or happening over a wide area.; frequency rank 26133
- chromosome — a threadlike strand of DNA in the cell nucleus that carries the genes in a linear order; frequency rank 26907
- foliage — The leaves of plants.; frequency rank 27846
- coldness — a lack of affection or enthusiasm; frequency rank 30302
- avoidance — The act of avoiding or shunning; keeping clear of.; frequency rank 31742
- coolness — calm and unruffled self-assurance; frequency rank 32433
- deformity — The state of being deformed.; frequency rank 33388
- vastness — unusual largeness in size or extent or number; frequency rank 33929
- curvature — The shape of something curved.; frequency rank 34246
- meanness — The condition, or quality, of being mean (any of its definitions); frequency rank 35225
- artisan — A skilled manual worker who uses tools and machinery in a particular craft.; frequency rank 35860
- symbolically — in a symbolic manner; frequency rank 36096
- syntax — A set of rules that govern how words are combined to form phrases and sentences.; frequency rank 36301
- electrically — by electricity; frequency rank 39549
- aperture — A small or narrow opening, gap, slit, or hole.; frequency rank 39559
- barium — a soft silvery metallic element of the alkali earth group; frequency rank 40451
- arbitrarily — In an arbitrary manner.; frequency rank 42881
- deflection — The act of deflecting or something deflected.; frequency rank 43410
- upshot — A concise summary.; frequency rank 44261
- parabolic — mathematics: having the shape or properties of a parabola; frequency rank 44517
- soc — A society (circle, club, interest group).; frequency rank 44967
- cylindrical — Shaped like a cylinder.; frequency rank 45091
- sufferer — One who suffers; one who is afflicted.; frequency rank 45221
- kingly — having the rank of or resembling or befitting a king; frequency rank 45771
- duality — A classification into two subclasses or opposed parts.; frequency rank 46207
- roadway — a path made for vehicular travel; frequency rank 47020
- reverie — A state of dreaming while awake; a loose or irregular train of thought; musing or meditation; daydream.; frequency rank 47804
- tonnage — a tax imposed on ships that enter the US; frequency rank 49484
- concentric — having the same center, as two or more circles, spheres, or rings; frequency rank 50325
- courtly — Befitting of a royal court; reflecting the manners or behaviour of people at court.; frequency rank 57879
- masterly — Executed in the manner of a master; showing competence and skill; masterful.; frequency rank 59236
- conical — relating to or resembling a cone; frequency rank 60220
- longitudinal — over an extended time; frequency rank 61413
- quantitative — expressible as a quantity or relating to or susceptible of measurement; frequency rank 62520
- depreciation — a decrease in price or value; frequency rank 63251
- rightness — The property of being on, or moving toward, the right.; frequency rank 64947
- unsupported — not held up or borne; frequency rank 65865
- unbounded — seemingly boundless in amount, number, degree, or especially extent; frequency rank 66700
- slowness — a rate demonstrating an absence of haste or hurry; frequency rank 71637
- quadrangle — a plane figure with four straight sides and four angles; frequency rank 71647
- algebraic — relating to algebra or expressed by means of algebra; frequency rank 73105
- ungainly — lacking grace in movement or posture; frequency rank 79920
- adjoin — To be next to and touching something else.; frequency rank 165159
- concatenation — a series of things linked together, or the act of linking them into a chain or sequence; frequency rank 198947
- arithmetical — relating to arithmetic or numerical calculation
- one-dimensional — having or treating only one dimension; overly narrow or lacking depth
- triangularity — the state, quality, or abstract property of being triangular

### C2
- shove — the act of giving a push to someone or something; frequency rank 4828
- mademoiselle — A young woman or girl, especially one who is French or French-speaking.; frequency rank 5331
- perimeter — the total length of the boundary of a two-dimensional shape; frequency rank 6006
- iris — A plant of the genus Iris, common in the northern hemisphere, and generally having attractive blooms (See Iris (plant) on Wikipedia.Wikipedia ).; frequency rank 6254
- cardinal — serving as an essential component; frequency rank 6670
- twilight — a condition of decline following successes; frequency rank 6976
- dagger — A stabbing weapon, similar to a sword but with a short, double-edged blade.; frequency rank 7169
- squirrel — Any of the rodents of the family Sciuridae.; frequency rank 7543
- willow — Any of various deciduous trees or shrubs in the genus Salix, in the willow family Salicaceae, found primarily on moist soils in cooler zones in the northern hemisphere.; frequency rank 8427
- sly — Done with, and marked by, artful and dexterous secrecy; subtle; frequency rank 8739
- reindeer — Arctic deer with large antlers in both sexes; frequency rank 9313
- hazel — A tree or shrub of the genus Corylus, bearing edible nuts called hazelnuts or filberts.; frequency rank 9557
- intercept — seize on its way; frequency rank 9696
- bamboo — Any of the fast-growing grasses of the Bambusoideae subfamily, characterised by its woody, hollow, round, straight, jointed stem.; frequency rank 9744
- legion — A very large number of people or things.; frequency rank 9848
- revolver — Synonym of revolving line of credit, a form of credit permitting the holder to repeatedly borrow money.; frequency rank 10123
- woof — The set of yarns carried by the shuttle of a loom which are placed crosswise at right angles to and interlaced with the warp; the weft.; frequency rank 10125
- sermon — Religious discourse; a written or spoken address on a religious or moral matter.; frequency rank 10376
- quadrant — one of four roughly equal sectors into which a plane, circle, area, or display is divided; frequency rank 11846
- mutiny — An organized rebellion against a legally constituted authority, especially by seamen against their officers.; frequency rank 11918
- ledge — A narrow surface projecting horizontally from a wall, cliff, or other surface.; frequency rank 12468
- pooh — An instance of saying "pooh".; frequency rank 12698
- jaguar — a large spotted feline of tropical America similar to the leopard; frequency rank 12941
- chord — A harmonic set of three or more notes that is heard as if sounding simultaneously.; frequency rank 13500
- saline — containing salt; frequency rank 14129
- neon — Neon signs or lights, collectively.; frequency rank 14258
- livelihood — A means of providing the necessities of life for oneself (for example, a job or income).; frequency rank 14888
- rad — a non-SI unit of absorbed ionizing-radiation dose equal to 0.01 gray, or 100 ergs per gram; frequency rank 14994
- partridge — Any bird of a number of genera in the family Phasianidae, notably in the genera Perdix and Alectoris.; frequency rank 15024
- arsenic — a very poisonous metallic element that has three allotropic forms; frequency rank 15380
- mar — make imperfect; frequency rank 15449
- trot — cause to trot; frequency rank 15532
- dreary — Drab; dark, colorless, or cheerless.; frequency rank 16140
- tod — a former British unit of weight for wool, usually equal to 28 pounds (about 12.7 kilograms); frequency rank 16200
- plutonium — The transuranic chemical element with atomic number 94 and symbol Pu: a silvery-gray fissile radioactive actinide metal that tarnishes when exposed to air.; frequency rank 16265
- sledge — ride in or travel with a sledge; frequency rank 17282
- cobbler — a pie made of fruit with rich biscuit dough usually only on top of the fruit; frequency rank 17512
- galley — An oblong tray of wood or brass, with upright sides, for holding type which has been set, or is to be made up, etc.; frequency rank 18142
- fathom — (mining) a unit of volume (equal to 6 cubic feet) used in measuring bodies of ore; frequency rank 18276
- ell — a former unit for measuring cloth, equal in England to 45 inches or about 1.14 metres; frequency rank 18552
- equator — an imaginary line around the Earth forming the great circle that is equidistant from the north and south poles; frequency rank 19128
- hillside — The side of a hill.; frequency rank 19296
- quartet — four people considered as a unit; frequency rank 19394
- gallop — a fast gait of a horse; frequency rank 20005
- cluck — the sound made by a hen, as in calling her chicks; frequency rank 20240
- alpine — living or growing above the timber line; frequency rank 21335
- pedigree — The history or provenance of an idea, custom etc.; frequency rank 21782
- rem — a non-SI unit of radiation dose equivalent equal to 0.01 sievert; frequency rank 21969
- intolerant — Unable to digest food or be given substances of a certain composition without adverse effects.; frequency rank 22919
- gramophone — an antique record player; frequency rank 23246
- puma — A woman in her 20s or 30s who seeks relationships with younger men; a younger cougar.; frequency rank 23281
- octave — An interval of twelve semitones spanning eight degrees of the diatonic scale, representing a doubling or halving in pitch frequency.; frequency rank 23331
- swish — sophisticated; fashionable; smooth.; frequency rank 23741
- photon — The quantum of light and other electromagnetic energy, regarded as a discrete particle having zero rest mass, no electric charge, and an indefinitely long lifetime. It is a gauge boson.; frequency rank 23769
- billiard — of or relating to billiards; frequency rank 24032
- lawless — disobedient to or defiant of law; frequency rank 24863
- correlation — A connection between two or more things in which they change together.; frequency rank 25937
- snipe — A fool; a blockhead.; frequency rank 28806
- incoherent — without logical or meaningful connection; frequency rank 29063
- circumference — the boundary line encompassing an area or object; frequency rank 29067
- decimal — based on or organized in powers of ten; frequency rank 29120
- inhospitable — unfavorable to life or growth; frequency rank 30531
- livery — Any distinctive identifying uniform worn by a group, such as the uniform worn by chauffeurs and male servants.; frequency rank 30630
- lope — To travel an easy pace with long strides.; frequency rank 31245
- gallantry — courage.; frequency rank 31305
- ejaculation — The act of throwing or darting out with a sudden force and rapid flight.; frequency rank 31767
- isotope — one of two or more atoms with the same atomic number but with different numbers of neutrons; frequency rank 32882
- kerchief — a square scarf that is folded into a triangle and worn over the head or about the neck; frequency rank 33662
- angular — Having sharp corners or pointed shapes rather than smooth, rounded ones.; frequency rank 33800
- immeasurable — vast; frequency rank 34287
- diagonal — connecting two nonadjacent corners of a plane figure or any two corners of a solid that are not in the same face; frequency rank 34376
- scaly — Covered or abounding with scales.; frequency rank 34495
- azure — to color blue; frequency rank 34697
- genealogy — the study or investigation of ancestry and family history; frequency rank 36487
- camphor — a pungent resin obtained from the camphor tree, often used in pharmacy; frequency rank 37638
- levity — The state or quality of being light, buoyancy.; frequency rank 37788
- exponential — describing growth or decay whose rate is proportional to the quantity's current value, producing repeated multiplication over equal intervals; frequency rank 38471
- impropriety — The condition of being improper.; frequency rank 38545
- undergrowth — The plants in a forest which only reach a relatively low height (such as shrubs and bushes).; frequency rank 39244
- furlong — a unit of distance equal to one eighth of a mile, 220 yards, or 201.168 metres, now used chiefly in horse racing; frequency rank 39725
- scullery — A small room, next to a kitchen, where washing up and other domestic chores are done.; frequency rank 40409
- asymmetrical — irregular in shape or outline; frequency rank 41504
- muslin — a prototype of a sewing project, generally made of muslin or other cheap plain fabric; frequency rank 41936
- octagon — a polygon with eight sides and eight angles; frequency rank 42574
- homunculus — A miniature man, once imagined by spermists to be present in human sperm.; frequency rank 44000
- yew — any of numerous evergreen trees or shrubs having red cup-shaped berries and flattened needlelike leaves; frequency rank 44072
- shrubbery — A planting of shrubs; a wide border to a garden where shrubs are thickly planted; or a similar larger area with a path winding through it.; frequency rank 44461
- swarthy — Dark-skinned; black.; frequency rank 46410
- tuft — A small clump of trees or bushes.; frequency rank 46557
- acreage — An area of land, measured in acres.; frequency rank 47480
- fingertip — The tip of the human finger.; frequency rank 48351
- unmoved — Not affected emotionally, or not showing emotion.; frequency rank 48640
- sextant — A navigational device for deriving angular distances between objects so as to determine latitude and longitude.; frequency rank 49129
- quadratic — of or relating to the second power; frequency rank 49798
- eccentricity — Strange or unusual behaviour; the quality of being odd.; frequency rank 50699
- quotient — the result obtained by dividing one number or quantity by another; frequency rank 51816
- slovenly — Having an untidy appearance; unkempt.; frequency rank 52058
- yardstick — a straight measuring stick one yard, or thirty-six inches, long; frequency rank 52198
- geometrical — Of, or relating to geometry; geometric.; frequency rank 53567
- hexagonal — Having six edges, or having a cross-section in the form of a hexagon.; frequency rank 53891
- crinkle — To fold, crease, crumple, or wad.; frequency rank 54177
- iridescent — having a play of lustrous rainbow colors; frequency rank 54291
- cavernous — being or suggesting a cavern; frequency rank 54335
- immeasurably — In a manner that is not measurable, in a way that cannot be measured.; frequency rank 54669
- quintet — a musical composition for five performers; frequency rank 54815
- kilowatt — a unit of power equal to one thousand watts; symbol kW; frequency rank 54849
- windowpane — A fabric pattern of widely-spaced intersecting vertical and horizontal lines forming large squares.; frequency rank 56090
- mammalian — Of, or pertaining to, mammals.; frequency rank 56266
- sunlit — lighted by sunlight; frequency rank 56299
- condescension — affability to your inferiors and temporary disregard for differences of position or rank; frequency rank 56302
- asymmetry — An absence of symmetry or proportion between the parts of a thing, or a distinction that produces such a lack of symmetry.; frequency rank 57143
- cosine — in a right triangle, the ratio of the side adjacent to an angle to the hypotenuse; more generally, the corresponding trigonometric function; frequency rank 57436
- thorium — a soft silvery-white tetravalent radioactive metallic element; frequency rank 57972
- oligarchy — a political system governed by a few people; frequency rank 59195
- concave — curved inward, like the inner surface of a bowl or sphere; frequency rank 60808
- hillock — A small hill.; frequency rank 60916
- subspecies — A rank in the classification of organisms, below species.; frequency rank 61380
- isosceles — of a triangle, having two sides of equal length; frequency rank 61640
- alternately — in an alternating sequence or position; frequency rank 62294
- promontory — A high point of land extending into a body of water, headland; cliff.; frequency rank 63416
- sodden — Soaked or drenched with liquid; soggy, saturated.; frequency rank 63915
- parabola — a symmetrical open curve whose points are equally distant from a fixed point and a fixed line; frequency rank 65722
- insufficiency — lack of an adequate quantity or number; frequency rank 67063
- florid — In a blatant, vivid, or highly disorganized state.; frequency rank 71835
- semicircle — one half of a circle, bounded by a diameter and the arc joining its endpoints; frequency rank 71915
- geometrically — in a geometric fashion; frequency rank 72046
- oligarch — A very wealthy business owner who wields political power.; frequency rank 72423
- multiplicity — The state of being made of multiple diverse elements.; frequency rank 74431
- associative — in mathematics, having the property that regrouping operands does not change the result; frequency rank 75745
- equidistant — the same distance apart at every point; frequency rank 76344
- cubit — any of several ancient units of length based on the forearm from elbow to fingertip, commonly about 18 inches or 46 centimetres; frequency rank 76576
- octagonal — having the shape of an octagon, with eight sides and eight angles; frequency rank 76597
- quintal — a metric unit of mass equal to 100 kilograms; frequency rank 77105
- ampere — a unit of electrical current, the standard base unit in the International System of Units; colloquially amp. Abbreviation: amp, Symbol: A; frequency rank 78586
- polygon — a closed plane figure bounded by three or more straight sides; frequency rank 78966
- foramen — An opening, an orifice, or a short passage, especially in a bone.; frequency rank 79401
- geodesic — of or relating to or determined by geodesy; frequency rank 80510
- symmetrically — in a symmetrical manner; frequency rank 85243
- erg — the centimeter-gram-second unit of work or energy, equal to one dyne-centimeter or 10^-7 joule; frequency rank 85368
- vertex — a point where two or more lines, edges, or curves meet, especially a corner of a geometric figure; frequency rank 86241
- obliquely — In an oblique manner; sideways.; frequency rank 86633
- vivacity — The quality or state of being vivacious.; frequency rank 86978
- prudential — arising from or characterized by prudence especially in business matters; frequency rank 88211
- mandrill — A primate, Mandrillus sphinx, with a colorful face and rump.; frequency rank 88390
- hundredweight — in the United States, a unit of weight equal to 100 pounds, or about 45.36 kilograms; frequency rank 90412
- logarithm — the exponent to which a specified base must be raised to produce a given number; frequency rank 92322
- diffraction — when light passes sharp edges or goes through narrow slits the rays are deflected and produce fringes of light and dark bands; frequency rank 92428
- rhythmical — rhythmic; frequency rank 92933
- equilateral — having all sides of equal length; frequency rank 94036
- abatement — the act of abating; frequency rank 94984
- anthropoid — Having characteristics of a human, usually in terms of shape or appearance.; frequency rank 95491
- tensor — A mathematical object that describes linear relations on scalars, vectors, matrices and other algebraic objects, and is represented as a multidimensional array.; frequency rank 95914
- aquiline — Of, pertaining to, or characteristic of eagles; resembling that of an eagle.; frequency rank 99265
- parallelogram — either of two rectangular areas (respectively the large parallelogram and the small parallelogram) abutting the goal line in front of the goal. (Since 1986 officially named the large rectangle and small rectangle, though the older names are still occasionally used.); frequency rank 99511
- conic — of, relating to, or shaped like a cone; frequency rank 100918
- theodolite — a surveying instrument with a movable telescope for precisely measuring horizontal and vertical angles; frequency rank 101612
- cordiality — The quality of being cordial.; frequency rank 103729
- cacique — A tribal chief in the Spanish West Indies.; frequency rank 104864
- superposition — the geologic principle that in a series of stratified sedimentary rocks the lowest stratum is the oldest; frequency rank 106447
- assize — A statute or ordinance, especially one regulating weights and measures.; frequency rank 107353
- declension — a class of nouns or pronouns or adjectives in Indo-European languages having the same (or very similar) inflectional forms; frequency rank 107576
- pluralism — The quality or state of being plural, or in the plural number.; frequency rank 111336
- brushwood — the wood from bushes or small branches; frequency rank 111352
- determinate — not continuing to grow indefinitely at the apex; frequency rank 111841
- roentgen — a non-SI unit of exposure to X-rays or gamma rays, equal to 0.000258 coulomb per kilogram of dry air; frequency rank 111968
- multitudinous — Existing in multitudes or great numbers; very numerous; innumerable.; frequency rank 113451
- lineal — in a straight unbroken line of descent from parent to child; frequency rank 114436
- irreducible — incapable of being made smaller or simpler; frequency rank 119697
- convergent — tending to come together, meet, or become more alike from different directions; frequency rank 121861
- miscalculate — to calculate a number, amount, distance, or other quantity incorrectly; frequency rank 123437
- trigonometric — relating to trigonometry or calculated by using the relations between the sides and angles of triangles; frequency rank 127333
- hogshead — a large barrel or cask, especially one used for alcoholic drink or other liquids; frequency rank 133102
- quadrilateral — An area defended by four fortresses supporting each other.; frequency rank 136497
- verdure — The greenness of lush or growing vegetation (greenery); also: the vegetation itself.; frequency rank 146733
- supernumerary — A person who works in a group, association, or public office without forming part of the regular staff (the numerary).; frequency rank 147380
- interpolate — to insert words or other material into a text, especially material added later or regarded as spurious; frequency rank 149584
- measurer — a person who measures something or determines its dimensions, amount, or degree; frequency rank 150380
- steersman — One who steers a ship or other vessel; the helmsman.; frequency rank 151234
- projective — Of or related to projective geometry:; frequency rank 154078
- situs — The position, especially the usual, normal position, of a body part or part of a plant.; frequency rank 157827
- minim — a historical apothecaries' unit of liquid volume equal to one sixtieth of a fluid dram, roughly 0.06 milliliters; frequency rank 163067
- topological — Of or relating to topology.; frequency rank 163655
- rectilinear — characterized by a straight line or lines; frequency rank 168473
- polygonal — having the shape or angular form of a polygon; frequency rank 170276
- luxuriance — The property of being luxuriant.; frequency rank 170547
- calculable — able to be calculated, measured, or estimated with reasonable accuracy; frequency rank 170706
- acuteness — a quick and penetrating intelligence; frequency rank 172802
- quaternary — consisting of four parts or arranged in groups of four; frequency rank 177302
- chronometric — relating to the precise measurement of time or to chronometers and other accurate timekeeping instruments; frequency rank 181311
- sensorium — The entire sensory apparatus of an organism.; frequency rank 181803
- enumeration — A list; especially, a numbered list.; frequency rank 184839
- geometer — a mathematician who specializes in geometry; frequency rank 186247
- obliquity — The quality of being oblique in direction, deviating from the horizontal or vertical; or the angle created by such a deviation.; frequency rank 194858
- concavity — the quality or state of curving inward; the property of being concave; frequency rank 198344
- diametric — completely or directly opposite; usually used in the phrase diametric opposite; frequency rank 202572
- invariant — Unaffected by a specified operation, especially by a transformation.; frequency rank 208309
- potentiometer — a measuring instrument for measuring direct current electromotive forces; frequency rank 209729
- numeration — the act or process of counting or assigning numbers; frequency rank 220067
- covariant — changing or transforming in a corresponding way under a change of coordinates or type relation; frequency rank 250349
- congruity — agreement, consistency, or suitability between things; frequency rank 262384
- calorimeter — an instrument for measuring heat absorbed or released during a chemical reaction, phase change, or other physical process; frequency rank 270394
- quincunx — An arrangement of five units with four forming the corners of a square and the fifth at the centre of the square, a pattern corresponding to the five-spot on dice, playing cards, or dominoes; frequency rank 284089
- sequent — in proof theory, a formal expression showing that one or more conclusion formulas follow from a collection of premise formulas; frequency rank 306089
- inexactitude — lack of exactness, accuracy, or precision; frequency rank 311084
- hairbreadth — an extremely small distance, amount, or margin; literally, the width of a hair; frequency rank 320586
- collinear — lying on the same line; frequency rank 327609
- reprobation — The act of reprobating; the state of being reprobated; strong disapproval, reproof or censure.; frequency rank 334979
- ordinal — being or denoting a numerical order in a series; frequency rank 335442
- exponentiation — the mathematical operation of raising a base to a power specified by an exponent; frequency rank 336010
- agio — The premium or percentage on a better sort of money when it is given in exchange for an inferior sort. The premium or discount on foreign bills of exchange is sometimes called agio.; frequency rank 336856
- congruence — agreement, correspondence, or consistency between things; frequency rank 340091
- triadic — consisting of three elements or involving a three-place relation; frequency rank 355470
- dimorphism — The occurrence in an animal species of two distinct types of individual.; frequency rank 357323
- affine — Of or pertaining to a function expressible as f(⃑x)=A⃑x+⃑b (where A is a linear transformation and ⃑b is a constant), which, regarded as a transformation, maps parallel lines to parallel lines and finite points to finite points.; frequency rank 374154
- finitely — with a finite limit; frequency rank 393020
- kilovolt — one thousand volts. Symbol: kV or KV.; frequency rank 396682
- correlator — something that correlates two sets of things; in logic, a relation that pairs terms in one field with terms in another; frequency rank 436898
- ellipsoid — a surface whose plane sections are all ellipses or circles; frequency rank 451053
- incommensurable — in mathematics, lacking a shared unit that measures each quantity exactly; having an irrational ratio; frequency rank 485101
- arithmetician — a person who is skilled in or specializes in arithmetic; frequency rank 487503
- multiplicative — tending or having the power to multiply or increase in number or quantity or degree; frequency rank 491830
- transfinite — A transfinite number.; frequency rank 629753
- approximator — a person, method, or device that produces an approximate value or representation; frequency rank 633533
- nonmathematical — not involving, expressed in, or based on mathematics; frequency rank 644824
- indemonstrable — incapable of being demonstrated, proved, or established by an argument; frequency rank 772981
- modius — an ancient Roman dry measure, especially for grain, equal to about 8.7 liters or 0.96 imperial peck; frequency rank 926279
- quadrate — to agree, correspond, or fit exactly with something; frequency rank 985220
- equiangular — having all its angles equal, or having corresponding angles equal; frequency rank 1007573
- contravariant — transforming in an opposite or reverse way under a change of coordinates or type relation; frequency rank 1162693
- commensurable — in mathematics, measurable by the same unit without a fractional remainder; having a rational ratio; frequency rank 1198069
- perpendicularity — the state or relation of meeting a line or plane at a right angle; frequency rank 1203594
- rhombic — having the shape or characteristics of a rhombus, with four equal sides and opposite angles equal; frequency rank 1221817
- pyrometer — a thermometer designed to measure high temperatures; frequency rank 1235789
- dimensionless — having no physical units or measurable dimensions; frequency rank 1282989
- indivisibility — the state or property of being incapable of division; frequency rank 1418940
- non-Euclidean — not based on Euclidean geometry, especially geometry in which Euclid's parallel postulate does not hold
- commutative — having the property that changing the order of operands does not change the result
- collinearity — the condition of lying on the same straight line
- well-ordered — arranged according to a clear order; in mathematics, ordered so every nonempty subset has a first element
- covariance — the way two quantities vary together; in mathematics and statistics, a measure or transformation property of such variation
- contravariance — opposite-direction variation or transformation, especially in tensors, category theory, or type systems
- four-dimensional — having or involving four dimensions, especially three spatial dimensions plus time
- first-order — belonging to the first level, degree, or order; in logic, quantifying over individuals rather than predicates
- second-order — belonging to the second level or order; in logic, quantifying over predicates or sets
- three-term — involving three terms or elements
- quasiperiodic — physics and mathematics: combining two or more incommensurate periods, so that a pattern recurs without repeating after one fixed interval
- metrizable — topology: having a metric that induces the space's given topology
- algebraical — relating to algebra or carried out by algebraic methods; a now less common variant of algebraic
- arpent — historical: any of several French units of land area, varying by place and still encountered in records from Quebec and Louisiana
- subtend — to lie opposite an angle, or to have an angle formed at a point by lines drawn to the ends of an arc, line, or object
- juger — an ancient Roman unit of land area equal to 28,800 square Roman feet, about 0.25 hectare or 0.62 acre
- chaldron — historical: any of several British dry measures, especially a coal measure varying locally from about 32 to 72 imperial bushels
- sesquialtera — in mathematics or musical theory, the ratio 3:2, in which one quantity is one and a half times another
- connexity — in logic and order theory, the property of a relation whereby any two distinct relevant terms are related in one direction or the other
- handbreadth — a unit or distance equal to the breadth of a hand, roughly four inches or ten centimetres
- arithmetization — the treatment of mathematics or another formal system by methods involving only the fundamental concepts and operations of arithmetic
- rhomb — a rhombus; a parallelogram whose four sides are equal
- rectilineal — formed by, bounded by, or moving in straight lines

### C2+
- cord — a line made of twisted fibers or threads; frequency rank 6417
- mattress — A form of lagging, in particular for boilers.; frequency rank 6995
- laurel — An evergreen shrub of species Laurus nobilis, having aromatic leaves of a lanceolate shape, with clusters of small, yellowish white flowers in their axils.; frequency rank 7366
- cuckoo — Any of various birds, of the family Cuculidae within the order Cuculiformes, famous for laying its eggs in the nests of other species; but especially a common cuckoo (Cuculus canorus), that has a characteristic two-note call.; frequency rank 9008
- arc — to an arch or curve; frequency rank 10579
- platinum — Very expensive, or of very high quality; frequency rank 12158
- frantic — Insane, mentally unstable.; frequency rank 14954
- misconduct — Behavior that is considered to be unacceptable.; frequency rank 17991
- space-time — the four-dimensional coordinate system (3 dimensions of space and 1 of time) in which physical events are located; frequency rank 18604
- sphinx — A creature with the head of a person and the body of an animal, commonly a lion.; frequency rank 18716
- self-control — The ability to control one's desires and impulses.; frequency rank 19248
- first-rate — quite well, healthy, or ready-to-go; frequency rank 20138
- census — to conduct a census; frequency rank 20833
- canton — A division of a political unit.; frequency rank 21760
- one-sided — Partial or biased in favour of one faction or demographic group.; frequency rank 22044
- digit — one of the elements that collectively form a system of numeration; frequency rank 27780
- effeminate — Of a boy or man, exhibiting behavior or mannerisms considered typical of a woman or unmasculine.; frequency rank 31513
- lyre — to play the lyre; frequency rank 32065
- zigzag — in a zigzag course or on a zigzag path; frequency rank 33346
- vermilion — A vivid red synthetic pigment made of mercury sulfide, cinnabar.; frequency rank 33461
- womanly — befitting or characteristic of a woman especially a mature woman; frequency rank 36429
- vestibule — A small entrance hall, antechamber, passage, or room between the outer door and the main hall, lobby, or interior of a building.; frequency rank 42995
- oblong — longer in one direction than across; frequency rank 49763
- self-consciousness — The awareness of the self as an entity.; frequency rank 82844
- disproportion — The state of being out of proportion; an abnormal or improper ratio; an imbalance.; frequency rank 106610
- semi-human — Partially humanlike.; frequency rank 202258
- unmathematical — not expressed, reasoned, or carried out according to mathematics; frequency rank 658972
- multipliable — capable of being multiplied or increased by multiplication; frequency rank 1251712
- syllogize — reason by syllogisms; frequency rank 1361332
- dimensionable — capable of being measured, assigned dimensions, or described in dimensional terms; frequency rank 1411317
- congruent — in agreement or harmony; identical in form (geometry)
- plumb — to measure depth or to explore thoroughly; exactly vertical
- berate — to scold or criticize angrily and at length
- guillemet — an angle-shaped quotation mark («» or ‹›) used in several European languages
- pondering — the act of thinking about something carefully and at length
- module — a self-contained component or unit of a larger system
- specialization — the process of concentrating on a particular area or skill
- counterbalance — to offset by an opposing weight or force
- en — a unit of measurement in typography equal to half an em
- enormity — the great or extreme scale of something, especially of wickedness
- foreshorten — to depict an object as shorter to suggest depth or perspective
- variance — the fact of differing or disagreeing; a measure of spread in statistics
- barleycorn — a grain of barley; an old unit of length equal to one third of an inch
- bu — a former Japanese unit of length or coinage
- candela — the SI unit of luminous intensity
- imperial — relating to an empire or emperor; majestic in scale or bearing
- lofty — of great height; noble in sentiment, or haughty
- outbalance — to outweigh or exceed in weight, value, or importance
- periphery — the outer edge or boundary of an area or group
- wasteland — a barren or desolate area of land
- avoirdupois — the system of weights based on a sixteen-ounce pound; informally, bodily weight
- braid — a length of interwoven strands; to weave such strands together
- coil — a length of something wound into rings; to wind into such loops
- counterweight — a weight that balances another force or load
- crotch — the angle where the legs or two branches fork apart
- denomination — a recognized branch of a religion, or a unit of monetary value
- duple — consisting of two parts, especially having two beats per measure
- ellipse — a regular oval closed curve, a flattened circle
- evolute — in geometry, the locus of the centers of curvature of a curve
- gauge — an instrument for measuring; to estimate or measure
- geepound — a unit of mass; the slug, equal to about 32.2 pounds
- heft — weight or heaviness; to lift or test the weight of something
- lengthful — having considerable length; lengthy
- mensuration — the measurement of lengths, areas, and volumes
- meridian — a great circle of longitude; or the point of highest development
- mi — the third note of a major scale in the tonic sol-fa system
- mil — a unit of length equal to one thousandth of an inch
- modulus — a numerical measure of a physical property, or the remainder in arithmetic
- multiplication — the process of increasing in number, or the arithmetic operation
- overpoise — to outweigh or counterbalance; a preponderance of weight
- preponderate — to be greater in number, weight, or influence; to predominate
- quart — a unit of liquid measure equal to two pints
- stadion — an ancient Greek unit of length, or a classical running track
- subsidence — the gradual caving in or sinking of an area of land
- territorial — relating to the ownership or defence of a particular area of land
- voluble — speaking fluently, readily, or at great length
- woodland — land covered with trees; a wooded area
- atomicity — The number of atoms in a molecule.
- ocellus — an eyelike marking (as on the wings of some butterflies)
- dyadic — Pertaining to a dyad, the number two; of two parts or elements.
- co-punctual — occupying or associated with the same point, especially in a technical spatial or temporal analysis
- co-punctuality — the state of being co-punctual or sharing the same point in a technical ordering
- one-one — mapping each element of one set to exactly one distinct element of another set
- many-one — mapping many possible inputs to one output
- one-many — relating one item to many items
- relation-number — a number-like abstraction associated with a relation in mathematical logic
- denumerative — relating to counting or enumeration
- semi-similar — partly similar; in Russellian logic, sharing a weaker similarity relation
- point-pair — a pair of points considered together in a geometric or logical construction
- footrule — a measuring rule one foot long, usually divided into inches
- parallelogramical — having the form or geometric properties of a parallelogram; relating to parallelograms
- quasi-equality — in mathematics or logic, a relation weaker than strict equality under which two objects count as equal for a specified approximate or domain-specific purpose
- quasistraight — almost or approximately straight; treated as a straight line for a limited mathematical purpose
- medimnus — an ancient Greek unit of dry capacity, varying by place and period and equal in Athens to roughly 52 liters or one and a half bushels
- pseudosphere — a surface of constant negative Gaussian curvature, classically generated by rotating a tractrix about its asymptote
- quasi-transitive — approximately transitive; allowing a weaker or graded relation between the first and third terms when successive pairs are related
- unperiodic — not periodic; not recurring at regular intervals or lacking a repeating pattern
- equimultiple — one of two or more quantities produced by multiplying the original quantities by the same number
- pre-coordinate — existing or formulated before a coordinate system has been introduced
- quasi-parallelogram — a figure that resembles or approximately satisfies the defining relations of a parallelogram without being an exact Euclidean parallelogram
- logico-mathematical — relating jointly to formal logic and mathematics, especially to work that expresses mathematical theories through logical systems
- setier — any of several old French units of capacity or land area, whose value varied by region and commodity
- signless — in mathematics, written or considered without an explicit positive or negative sign
- arithmetize — to treat or reformulate a mathematical system using only the fundamental concepts and operations of arithmetic
- finitist — an adherent of finitism, especially the view that mathematics should use only finite objects or procedures
- chiliagon — a polygon with one thousand sides and one thousand angles
- scalenum — a scalene triangle, having three sides of unequal length