Mathematics & Measurement

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

542 words

# 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.
- math - The study of numbers, shapes, and quantities; mathematics.
- watt - unit of power

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

### B1
- yard - The area of ground around a house, often with grass.
- complex - Having many connected parts and so difficult to understand or deal with.
- angle - The space between two lines or surfaces that meet, measured in degrees.
- stretch - To reach out your arms, legs, or body to their full length.
- pound - A unit of weight equal to about 454 grams (16 ounces).
- measure - To find the size, amount, or degree of something.
- height - How tall a person or thing is.
- dial - To enter a telephone number in order to call someone.
- formula - A mathematical or scientific rule written with symbols.
- length - How long something is from one end to the other.
- volume - How loud a sound is.
- depth - The distance from the top to the bottom of something.
- origin - The point or moment at which something begins.
- imaginary - Existing only in the mind, not real.
- mathematics - The study of numbers, shapes, quantities, and the relationships between them.
- calculate - To work out an answer or amount using numbers.
- distribute - To give things out to a number of people.
- diameter - A straight line passing through the centre of a circle from one side to the other.
- calculation - The process of working something out using numbers.
- measurement - The act or process of measuring something.
- arithmetic - The basic mathematics of adding, subtracting, multiplying, and dividing numbers.
- graph - A diagram that shows the relationship between sets of numbers, usually drawn with lines or bars.
- statistic - A single piece of information shown as a number.
- clove - a dried flower bud used as a spice, known for its aromatic and pungent flavor
- cylinder - an object or solid shape with straight parallel sides and circular ends
- nitrogen - The chemical element with an atomic number of 7 and atomic weight of 14.0067. It is a colorless and odorless gas.
- sodium - Employing sodium.
- hexagon - a polygon with six sides and six angles
- milligram - an SI unit of mass equal to 10⁻³ grams. Symbol: mg
- milliliter - a metric unit of volume equal to one thousandth of a liter
- 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

### B2
- division - The act of separating something into parts, or the way it is split.
- ton - A very large amount of something.
- perspective - A particular way of thinking about or judging a situation.
- ranger - An official who looks after and protects a forest or park.
- dimension - A measurement such as length, width, or height.
- triangle - A flat shape with three straight sides and three angles.
- altitude - The height of something above sea level or the ground.
- equation - A mathematical statement that two amounts or expressions are equal.
- ounce - A unit of weight equal to about 28 grams, or one sixteenth of a pound.
- cube - A solid shape with six equal square sides, like a dice or a box.
- statistics - A set of numbers that gives information about something.
- pi - The number (about 3.14159) you get when you divide a circle's circumference by its diameter.
- intersection - a place where two or more roads cross each other.
- thermometer - An instrument used to measure temperature.
- millimeter - A unit of length equal to one thousandth of a metre.
- width - How wide something is; the distance from one side to the other.
- pH - A measure of how acidic or basic a liquid is, on a scale from 0 to 14.
- metric - A standard for measuring or judging something, especially performance or quality.
- subtract - To take a number or amount away from another.
- shortness - The quality of being small in length, distance, or height.
- teaspoon - A small spoon used for stirring drinks like tea or coffee.
- pandemic - A disease that spreads across many countries and affects a very large number of people.
- tonne - A unit of mass equal to 1,000 kilograms.
- quantify - To measure or express something as a number or amount.
- subdivision - A smaller part into which something larger has been divided.
- micrometer - A tool for measuring very small distances, such as thickness or diameter, with great precision.
- industrialize - To develop industries and factories in a country or area.
- geometry - the branch of mathematics that studies points, lines, shapes, surfaces, and spatial relationships
- 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.
- standpoint - A point of view; a perspective.
- photographic - relating to photography or obtained by using photography
- uranium - The element with atomic number 92 and symbol U. A radioactive silvery-grey metal in the actinide series.
- theorem - A mathematical statement that is expected to be true.
- resentment - Anger or displeasure stemming from belief that one or one's group has been wronged or betrayed by others; indignation.
- dimensional - having dimension--the quality or character or stature proper to a person
- granite - something having the unyielding firmness quality of granite
- membrane - a thin pliable sheet of material
- quartz - a hard glossy mineral consisting of silicon dioxide in crystal form
- priesthood - Priests as a group.
- caste - social status or position conferred by a system based on class
- inaccessible - Not able to be accessed; out of reach; inconvenient.
- pointer - Anything that points or is used for pointing.
- singularity - the quality of being one of a kind
- sorely - to a great degree
- holland - A type of linen cloth, originally from Holland.
- 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.
- openness - without obstructions to passage or view
- phosphorus - A chemical element (symbol P) with an atomic number of 15, that exists in several allotropic forms.
- denominator - the number or expression below the line in a fraction, showing how many equal parts form a whole
- coefficient - mathematics: a number or other constant that multiplies a variable or algebraic term
- pyramid - a solid shape with a polygonal base and triangular sides that meet at a point
- 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
- pentagonal - having five sides and five angles, or relating to a pentagon
- radial - extending, moving, or arranged along radii from a central point
- hypotenuse - the side of a right triangle opposite its right angle
- carat - a metric unit of mass equal to 200 milligrams, used for gemstones and pearls
- notation - a system of written symbols and rules used to represent quantities, sounds, moves, or other specialized information
- numerator - the number or expression written above the line in a fraction, indicating how many equal parts are being considered
- sine - in a right triangle, the ratio of the side opposite an angle to the hypotenuse; more generally, the corresponding trigonometric function
- tare - the weight of an empty container or vehicle, deducted from gross weight to find the weight of its contents
- theta - the measure of an angle.

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

### C2
- legion - A very large number of people or things.
- correlation - A connection between two or more things in which they change together.
- circumference - the boundary line encompassing an area or object
- kerchief - a square scarf that is folded into a triangle and worn over the head or about the neck
- angular - Having sharp corners or pointed shapes rather than smooth, rounded ones.
- acreage - An area of land, measured in acres.
- eccentricity - Strange or unusual behaviour; the quality of being odd.
- octagonal - having the shape of an octagon, with eight sides and eight angles
- fathom - (mining) a unit of volume (equal to 6 cubic feet) used in measuring bodies of ore
- geodesic - of or relating to or determined by geodesy
- collinear - lying on the same line
- topological - Of or relating to topology.
- ordinal - being or denoting a numerical order in a series
- geometrical - Of, or relating to geometry; geometric.
- situs - The position, especially the usual, normal position, of a body part or part of a plant.
- oligarchy - a political system governed by a few people
- geometrically - in a geometric fashion
- tensor - A mathematical object that describes linear relations on scalars, vectors, matrices and other algebraic objects, and is represented as a multidimensional array.
- quartet - four people considered as a unit
- quintet - a musical composition for five performers
- vivacity - The quality or state of being vivacious.
- cardinal - serving as an essential component
- 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.)
- projective - Of or related to projective geometry:
- invariant - Unaffected by a specified operation, especially by a transformation.
- revolver - Synonym of revolving line of credit, a form of credit permitting the holder to repeatedly borrow money.
- twilight - a condition of decline following successes
- gramophone - an antique record player
- alternately - in an alternating sequence or position
- billiard - of or relating to billiards
- dreary - Drab; dark, colorless, or cheerless.
- equidistant - the same distance apart at every point
- equator - an imaginary line around the Earth forming the great circle that is equidistant from the north and south poles
- puma - A woman in her 20s or 30s who seeks relationships with younger men; a younger cougar.
- 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.
- diffraction - when light passes sharp edges or goes through narrow slits the rays are deflected and produce fringes of light and dark bands
- gallop - a fast gait of a horse
- lawless - disobedient to or defiant of law
- transfinite - A transfinite number.
- asymmetrical - irregular in shape or outline
- 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.
- enumeration - A list; especially, a numbered list.
- determinate - not continuing to grow indefinitely at the apex
- ledge - A narrow surface projecting horizontally from a wall, cliff, or other surface.
- multiplicative - tending or having the power to multiply or increase in number or quantity or degree
- quadratic - of or relating to the second power
- quadrilateral - An area defended by four fortresses supporting each other.
- thorium - a soft silvery-white tetravalent radioactive metallic element
- brushwood - the wood from bushes or small branches
- 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.
- isotope - one of two or more atoms with the same atomic number but with different numbers of neutrons
- finitely - with a finite limit
- partridge - Any bird of a number of genera in the family Phasianidae, notably in the genera Perdix and Alectoris.
- immeasurably - In a manner that is not measurable, in a way that cannot be measured.
- reindeer - Arctic deer with large antlers in both sexes
- homunculus - A miniature man, once imagined by spermists to be present in human sperm.
- rhythmical - rhythmic
- sermon - Religious discourse; a written or spoken address on a religious or moral matter.
- trot - cause to trot
- 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.
- asymmetry - An absence of symmetry or proportion between the parts of a thing, or a distinction that produces such a lack of symmetry.
- declension - a class of nouns or pronouns or adjectives in Indo-European languages having the same (or very similar) inflectional forms
- hillside - The side of a hill.
- mandrill - A primate, Mandrillus sphinx, with a colorful face and rump.
- snipe - A fool; a blockhead.
- crinkle - To fold, crease, crumple, or wad.
- multiplicity - The state of being made of multiple diverse elements.
- muslin - a prototype of a sewing project, generally made of muslin or other cheap plain fabric
- reprobation - The act of reprobating; the state of being reprobated; strong disapproval, reproof or censure.
- scullery - A small room, next to a kitchen, where washing up and other domestic chores are done.
- shove - the act of giving a push to someone or something
- bamboo - Any of the fast-growing grasses of the Bambusoideae subfamily, characterised by its woody, hollow, round, straight, jointed stem.
- diagonal - connecting two nonadjacent corners of a plane figure or any two corners of a solid that are not in the same face
- neon - Neon signs or lights, collectively.
- sensorium - The entire sensory apparatus of an organism.
- sly - Done with, and marked by, artful and dexterous secrecy; subtle
- ellipsoid - a surface whose plane sections are all ellipses or circles
- undergrowth - The plants in a forest which only reach a relatively low height (such as shrubs and bushes).
- livelihood - A means of providing the necessities of life for oneself (for example, a job or income).
- saline - containing salt
- condescension - affability to your inferiors and temporary disregard for differences of position or rank
- dagger - A stabbing weapon, similar to a sword but with a short, double-edged blade.
- fingertip - The tip of the human finger.
- gallantry - courage.
- obliquely - In an oblique manner; sideways.
- subspecies - A rank in the classification of organisms, below species.
- acuteness - a quick and penetrating intelligence
- aquiline - Of, pertaining to, or characteristic of eagles; resembling that of an eagle.
- arsenic - a very poisonous metallic element that has three allotropic forms
- cobbler - a pie made of fruit with rich biscuit dough usually only on top of the fruit
- livery - Any distinctive identifying uniform worn by a group, such as the uniform worn by chauffeurs and male servants.
- 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.
- unmoved - Not affected emotionally, or not showing emotion.
- 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.
- cordiality - The quality of being cordial.
- dimorphism - The occurrence in an animal species of two distinct types of individual.
- foramen - An opening, an orifice, or a short passage, especially in a bone.
- impropriety - The condition of being improper.
- iridescent - having a play of lustrous rainbow colors
- luxuriance - The property of being luxuriant.
- obliquity - The quality of being oblique in direction, deviating from the horizontal or vertical; or the angle created by such a deviation.
- pluralism - The quality or state of being plural, or in the plural number.
- pooh - An instance of saying "pooh".
- promontory - A high point of land extending into a body of water, headland; cliff.
- supernumerary - A person who works in a group, association, or public office without forming part of the regular staff (the numerary).
- 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.
- chord - A harmonic set of three or more notes that is heard as if sounding simultaneously.
- incoherent - without logical or meaningful connection
- alpine - living or growing above the timber line
- iris - A plant of the genus Iris, common in the northern hemisphere, and generally having attractive blooms (See Iris (plant) on Wikipedia.Wikipedia ).
- mammalian - Of, or pertaining to, mammals.
- pedigree - The history or provenance of an idea, custom etc.
- prudential - arising from or characterized by prudence especially in business matters
- rectilinear - characterized by a straight line or lines
- slovenly - Having an untidy appearance; unkempt.
- tuft - A small clump of trees or bushes.
- verdure - The greenness of lush or growing vegetation (greenery); also: the vegetation itself.
- yew - any of numerous evergreen trees or shrubs having red cup-shaped berries and flattened needlelike leaves
- florid - In a blatant, vivid, or highly disorganized state.
- intercept - seize on its way
- levity - The state or quality of being light, buoyancy.
- lope - To travel an easy pace with long strides.
- mademoiselle - A young woman or girl, especially one who is French or French-speaking.
- mutiny - An organized rebellion against a legally constituted authority, especially by seamen against their officers.
- 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.
- sledge - ride in or travel with a sledge
- superposition - the geologic principle that in a series of stratified sedimentary rocks the lowest stratum is the oldest
- symmetrically - in a symmetrical manner
- anthropoid - Having characteristics of a human, usually in terms of shape or appearance.
- camphor - a pungent resin obtained from the camphor tree, often used in pharmacy
- immeasurable - vast
- insufficiency - lack of an adequate quantity or number
- intolerant - Unable to digest food or be given substances of a certain composition without adverse effects.
- multitudinous - Existing in multitudes or great numbers; very numerous; innumerable.
- sextant - A navigational device for deriving angular distances between objects so as to determine latitude and longitude.
- squirrel - Any of the rodents of the family Sciuridae.
- windowpane - A fabric pattern of widely-spaced intersecting vertical and horizontal lines forming large squares.
- abatement - the act of abating
- assize - A statute or ordinance, especially one regulating weights and measures.
- azure - to color blue
- hexagonal - Having six edges, or having a cross-section in the form of a hexagon.
- inhospitable - unfavorable to life or growth
- jaguar - a large spotted feline of tropical America similar to the leopard
- sodden - Soaked or drenched with liquid; soggy, saturated.
- steersman - One who steers a ship or other vessel; the helmsman.
- sunlit - lighted by sunlight
- swarthy - Dark-skinned; black.
- cacique - A tribal chief in the Spanish West Indies.
- cavernous - being or suggesting a cavern
- ejaculation - The act of throwing or darting out with a sudden force and rapid flight.
- genealogy - the study or investigation of ancestry and family history
- irreducible - incapable of being made smaller or simpler
- mar - make imperfect
- oligarch - A very wealthy business owner who wields political power.
- scaly - Covered or abounding with scales.
- swish - sophisticated; fashionable; smooth.
- cluck - the sound made by a hen, as in calling her chicks
- hazel - A tree or shrub of the genus Corylus, bearing edible nuts called hazelnuts or filberts.
- hillock - A small hill.
- lineal - in a straight unbroken line of descent from parent to child
- octave - An interval of twelve semitones spanning eight degrees of the diatonic scale, representing a doubling or halving in pitch frequency.
- 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
- covariant - changing or transforming in a corresponding way under a change of coordinates or type relation
- contravariant - transforming in an opposite or reverse way under a change of coordinates or type relation
- 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
- diametric - completely or directly opposite; usually used in the phrase diametric opposite
- semicircle - one half of a circle, bounded by a diameter and the arc joining its endpoints
- decimal - based on or organized in powers of ten
- triadic - consisting of three elements or involving a three-place relation
- 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
- concave - curved inward, like the inner surface of a bowl or sphere
- interpolate - to insert words or other material into a text, especially material added later or regarded as spurious
- hogshead - a large barrel or cask, especially one used for alcoholic drink or other liquids
- isosceles - of a triangle, having two sides of equal length
- arithmetician - a person who is skilled in or specializes in arithmetic
- equilateral - having all sides of equal length
- polygon - a closed plane figure bounded by three or more straight sides
- furlong - a unit of distance equal to one eighth of a mile, 220 yards, or 201.168 metres, now used chiefly in horse racing
- cubit - any of several ancient units of length based on the forearm from elbow to fingertip, commonly about 18 inches or 46 centimetres
- calorimeter - an instrument for measuring heat absorbed or released during a chemical reaction, phase change, or other physical process
- hairbreadth - an extremely small distance, amount, or margin; literally, the width of a hair
- algebraical - relating to algebra or carried out by algebraic methods; a now less common variant of algebraic
- measurer - a person who measures something or determines its dimensions, amount, or degree
- erg - the centimeter-gram-second unit of work or energy, equal to one dyne-centimeter or 10^-7 joule
- arpent - historical: any of several French units of land area, varying by place and still encountered in records from Quebec and Louisiana
- kilowatt - a unit of power equal to one thousand watts; symbol kW
- nonmathematical - not involving, expressed in, or based on mathematics
- minim - a historical apothecaries' unit of liquid volume equal to one sixtieth of a fluid dram, roughly 0.06 milliliters
- concavity - the quality or state of curving inward; the property of being concave
- rad - a non-SI unit of absorbed ionizing-radiation dose equal to 0.01 gray, or 100 ergs per gram
- rem - a non-SI unit of radiation dose equivalent equal to 0.01 sievert
- roentgen - a non-SI unit of exposure to X-rays or gamma rays, equal to 0.000258 coulomb per kilogram of dry air
- perimeter - the total length of the boundary of a two-dimensional shape
- polygonal - having the shape or angular form of a polygon
- approximator - a person, method, or device that produces an approximate value or representation
- vertex - a point where two or more lines, edges, or curves meet, especially a corner of a geometric figure
- octagon - a polygon with eight sides and eight angles
- quotient - the result obtained by dividing one number or quantity by another
- 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
- perpendicularity - the state or relation of meeting a line or plane at a right angle
- tod - a former British unit of weight for wool, usually equal to 28 pounds (about 12.7 kilograms)
- juger - an ancient Roman unit of land area equal to 28,800 square Roman feet, about 0.25 hectare or 0.62 acre
- quintal - a metric unit of mass equal to 100 kilograms
- geometer - a mathematician who specializes in geometry
- commensurable - in mathematics, measurable by the same unit without a fractional remainder; having a rational ratio
- incommensurable - in mathematics, lacking a shared unit that measures each quantity exactly; having an irrational ratio
- chaldron - historical: any of several British dry measures, especially a coal measure varying locally from about 32 to 72 imperial bushels
- modius - an ancient Roman dry measure, especially for grain, equal to about 8.7 liters or 0.96 imperial peck
- sesquialtera - in mathematics or musical theory, the ratio 3:2, in which one quantity is one and a half times another
- calculable - able to be calculated, measured, or estimated with reasonable accuracy
- rhombic - having the shape or characteristics of a rhombus, with four equal sides and opposite angles equal
- correlator - something that correlates two sets of things; in logic, a relation that pairs terms in one field with terms in another
- exponentiation - the mathematical operation of raising a base to a power specified by an exponent
- convergent - tending to come together, meet, or become more alike from different directions
- associative - in mathematics, having the property that regrouping operands does not change the result
- 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
- logarithm - the exponent to which a specified base must be raised to produce a given number
- cosine - in a right triangle, the ratio of the side adjacent to an angle to the hypotenuse; more generally, the corresponding trigonometric function
- exponential - describing growth or decay whose rate is proportional to the quantity's current value, producing repeated multiplication over equal intervals
- sequent - in proof theory, a formal expression showing that one or more conclusion formulas follow from a collection of premise formulas
- handbreadth - a unit or distance equal to the breadth of a hand, roughly four inches or ten centimetres
- quaternary - consisting of four parts or arranged in groups of four
- theodolite - a surveying instrument with a movable telescope for precisely measuring horizontal and vertical angles
- 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
- ell - a former unit for measuring cloth, equal in England to 45 inches or about 1.14 metres
- miscalculate - to calculate a number, amount, distance, or other quantity incorrectly
- trigonometric - relating to trigonometry or calculated by using the relations between the sides and angles of triangles
- yardstick - a straight measuring stick one yard, or thirty-six inches, long
- chronometric - relating to the precise measurement of time or to chronometers and other accurate timekeeping instruments
- conic - of, relating to, or shaped like a cone
- congruence - agreement, correspondence, or consistency between things
- equiangular - having all its angles equal, or having corresponding angles equal
- hundredweight - in the United States, a unit of weight equal to 100 pounds, or about 45.36 kilograms
- indemonstrable - incapable of being demonstrated, proved, or established by an argument
- inexactitude - lack of exactness, accuracy, or precision
- 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
- ampere - a unit of electrical current, the standard base unit in the International System of Units; colloquially amp. Abbreviation: amp, Symbol: A
- dimensionless - having no physical units or measurable dimensions
- kilovolt - one thousand volts. Symbol: kV or KV.
- potentiometer - a measuring instrument for measuring direct current electromotive forces
- pyrometer - a thermometer designed to measure high temperatures
- quadrant - one of four roughly equal sectors into which a plane, circle, area, or display is divided
- rectilineal - formed by, bounded by, or moving in straight lines
- parabola - a symmetrical open curve whose points are equally distant from a fixed point and a fixed line
- congruity - agreement, consistency, or suitability between things
- indivisibility - the state or property of being incapable of division
- numeration - the act or process of counting or assigning numbers
- quadrate - to agree, correspond, or fit exactly with something

### C2+
- 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
- space-time - the four-dimensional coordinate system (3 dimensions of space and 1 of time) in which physical events are located
- frantic - Insane, mentally unstable.
- atomicity - The number of atoms in a molecule.
- self-control - The ability to control one's desires and impulses.
- digit - one of the elements that collectively form a system of numeration
- census - to conduct a census
- ocellus - an eyelike marking (as on the wings of some butterflies)
- first-rate - quite well, healthy, or ready-to-go
- misconduct - Behavior that is considered to be unacceptable.
- 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.
- platinum - Very expensive, or of very high quality
- cord - a line made of twisted fibers or threads
- self-consciousness - The awareness of the self as an entity.
- dyadic - Pertaining to a dyad, the number two; of two parts or elements.
- arc - to an arch or curve
- disproportion - The state of being out of proportion; an abnormal or improper ratio; an imbalance.
- effeminate - Of a boy or man, exhibiting behavior or mannerisms considered typical of a woman or unmasculine.
- vermilion - A vivid red synthetic pigment made of mercury sulfide, cinnabar.
- semi-human - Partially humanlike.
- sphinx - A creature with the head of a person and the body of an animal, commonly a lion.
- zigzag - in a zigzag course or on a zigzag path
- one-sided - Partial or biased in favour of one faction or demographic group.
- mattress - A form of lagging, in particular for boilers.
- womanly - befitting or characteristic of a woman especially a mature woman
- 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.
- lyre - to play the lyre
- vestibule - A small entrance hall, antechamber, passage, or room between the outer door and the main hall, lobby, or interior of a building.
- canton - A division of a political unit.
- 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
- oblong - longer in one direction than across
- 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
- unmathematical - not expressed, reasoned, or carried out according to mathematics
- pseudosphere - a surface of constant negative Gaussian curvature, classically generated by rotating a tractrix about its asymptote
- dimensionable - capable of being measured, assigned dimensions, or described in dimensional terms
- 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
- multipliable - capable of being multiplied or increased by multiplication
- 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
- syllogize - reason by syllogisms
- chiliagon - a polygon with one thousand sides and one thousand angles
- scalenum - a scalene triangle, having three sides of unequal length

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