Science & Research

Experiments, theories, and the building blocks of the physical world.

533 words

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Some words in this topic are A2–C2 — part of Pro. A1 words are always free.

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A1 (1)

/ˈsaɪ.əns/ The study of the physical world through observation and experiment, covering subjects like physics, chemistry, and biology. M S

A2 (8) Pro

/kənˈtɹoʊl/ The power to direct, manage, or make decisions about something. M S

/ˈɛn.əɹ.d͡ʒi/ The strength and ability to be active without getting tired. M S

/ˈɹiːsɜːt͡ʃ/ A careful study to discover new facts or information. M S

/ɖɑ.ʈɑ/ Facts and figures collected for analysis or to draw conclusions. M S

/ˈsaɪ(.ə)n.ʈɨ.fɪk/ Relating to science or the way science is done. M S

/ˈkɛm.ɪ.kəl/ A substance, such as an element or compound, used in or produced by chemistry. M S

/ˈætəm/ The smallest part of a chemical element that can exist. M S

/ˌɛnɚˈd͡ʒɛtɪk/ Full of energy and eager to be active. M S

B1 (33) Pro

/læb/ A room or building equipped for scientific work; short for laboratory. M S

/ˈθɪ.ɹi/ A set of ideas that explains how or why something happens, supported by evidence. M S

/ɹiˈækʃən/ The way you behave or feel because of something that has happened. M S

/ɪkˈspɛɹ.ə.mənt/ A scientific test done to discover something or to check whether an idea is true. M S

/ˈɑk.sɪ.d͡ʒən/ A colourless, odourless gas that humans and animals need to breathe and that makes up part of the air. M S

/dɪsˈkʌv(.ə).ɹi/ Something that is found or learned for the first time. M S

/əˈnæl.ə.sɪs/ The careful study of something by examining its parts in detail. M S

/ɹiːˈækt/ To behave in a particular way because of something that has happened. M S

/əbˈzɝv/ To watch someone or something carefully. M S

/ˈfɔɹ.mjə.lə/ A mathematical or scientific rule written with symbols. M S

/ˈɛləmənt/ One of the parts that together make up a whole. M S

/d͡ʒəˈnɛt.ɪk/ Relating to genes or to the genes you inherit from your parents. M S

/ˈfɪz.ɪks/ The science that studies matter, energy, and how they affect each other. M S

/ˈkɛm.ɪ.stɹi/ The science that studies what substances are made of and how they change. M S

/əˈlɝ.d͡ʒɪk/ Having a bad physical reaction to a particular substance. M S

/ˈlæb(ə)ɹəˌtɔɹi/ A room or building equipped for scientific research, experiments, or analysis. M S

/baɪˈɑ.lə.d͡ʒi/ The science that studies living things such as plants and animals. M S

breakthrough B1

/ˈbɹeɪk.θɹuː/ An important discovery or sudden advance that overcomes a major obstacle. M S

/ɹiˈæktɚ/ A person who responds to a suggestion, stimulation or other influence. M S

/ˈplæzmə/ (physical chemistry) a fourth state of matter distinct from solid or liquid or gas and present in stars and fusion reactors M S

/ˈmiːtiɚ/ a streak of light produced when a small piece of matter from space enters Earth's atmosphere and becomes intensely hot M S

enthusiastic B1

/ɪnˌθuːziˈæstɪk/ Showing great excitement and interest in something. M S

/ɪkˈstɪŋkʃən/ The situation in which a species or group no longer exists. M S

/məˈlɛk.jə.ləɹ/ relating to or produced by or consisting of molecules M S

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B2 (41) Pro

/ˈvaɪtəl/ Extremely important; essential. M S

/ˌɛvəˈluʃ(ə)n/ The gradual process by which something changes and develops over time. M S

/ˈbeɪtə/ preliminary or testing stage of a software or hardware product M S

/ˈɡæ.mə/ the 3rd letter of the Greek alphabet M S

/ˈsɛl.ju.lɚ/ characterized by or divided into or containing cells or compartments (the smallest organizational or structural unit of an organism or organization) M S

/ˈbluːmɪŋ/ Producing flowers; in flower. M S

/ˈmiːtiəˌraɪt/ a piece of rock or metal from space that survives passage through an atmosphere and reaches the ground M S

scientifically B2

/ˌsɑe.ənˈtɪfɪkli/ From the point of view of science. M S

/ˈlaɪfləs/ Dead, or appearing to be dead. M S

/ˈi.θɚ/ a substance once thought to fill space and carry light or electromagnetic waves M S

/ˈaɪ.ɑn/ an atom or group of atoms with a positive or negative electrical charge because it has lost or gained electrons M S

/ˈsʊl.fə/ A bright yellow chemical element (symbol S) with a strong smell, used in matches, gunpowder, and many industrial products. M S

/ɹɛl.əˈtɪv.ɪ.ti/ (physics) The scientific theory that space and time are not fixed but depend on the observer's motion. M S

/ˌsuː.pɚˈnoʊ.və/ an extremely energetic stellar explosion that makes a star suddenly become vastly more luminous M S

/ˈnu.tɹɑn/ an elementary particle with 0 charge and mass about equal to a proton M S

/ˌtɛlɪˈpæθɪk/ communicating without apparent physical signals M S

regeneration B2

/riːˈdʒɛnɝˈeɪʃən/ Rebuilding or restructuring; large scale repair or renewal; revitalisation. M S

/ˈweɪvˌlɛŋ(k)θ/ a shared orientation leading to mutual understanding M S

reproductive B2

/ˌɹiːpɹəˈdʌktɪv/ producing new life or offspring M S

/ˈkæt.ə.lɪst/ Something or someone that causes an important change or event to happen. M S

/daɪˈd͡ʒɛst͡ʃən/ learning and coming to understand ideas and information M S

/ˈɛn.zaɪm/ a protein or RNA molecule that catalyzes a biochemical reaction without being consumed by it M S

decomposition B2

/ˌdiːkəmpoʊˈzɪʃən/ The process of rotting and breaking down, caused by bacteria or fungi. M S

/ˌsʌbəˈtɑːmɪk/ of or relating to constituents of the atom or forces within the atom M S

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C1 (69) Pro

/ˈɡɹævəti/ The natural force that pulls objects toward the earth or toward each other. M S

/ˈhaɪdɹəd͡ʒ(ə)n/ The lightest chemical element (symbol H), a colorless, odorless, highly flammable gas. M S

/ˈɪn.tɚˌkɔɹs/ Communication, conversation. M S

/ˈfjuːʒən/ The act of joining separate things into one, or the result of doing so. M S

/vɔlˈkænɪk/ of or relating to igneous rock produced by eruption and solidified on or near the earth's surface M S

/ˈθɝməl/ relating to heat, temperature, or the transfer of heat M S

/sæp/ To slowly drain away someone's strength, energy, or determination. M S

/ˈfiːtəs/ An unborn or unhatched vertebrate showing signs of the mature animal. M S

/ləʊb/ (anatomy) a somewhat rounded subdivision of a bodily organ or part M S

/ˈɛmbɹi.oʊ/ a plant, animal, or human in the earliest stages of development M S

/məˈtæb.əˌlɪz.əm/ the set of chemical processes by which a living organism converts substances into energy and materials needed for life, growth, and repair M S

/ˈd͡ʒiː.noʊm/ The complete set of genetic information in an organism. M S

/baɪˈsɛk.ʃ(əw).əl/ in biology, involving or possessing both male and female sexes or reproductive structures M S

/ˈæn.tiˌmæt.ɚ/ matter composed of antiparticles corresponding to the particles in ordinary matter M S

interstellar C1

/ˌɪntɝˈstɛlɝ/ situated, occurring, or traveling between stars M S

/ˌʌl.trəˈvaɪə.lət/ relating to electromagnetic radiation with wavelengths shorter than visible violet light, conventionally about 10 to 400 nanometers M S

/ˈpæθˌweɪ/ A path or track for walking. M S

/ˈælkəmɪst/ a person who practices alchemy, historically seeking transformations such as turning base metals into gold M S

/ˈɡʌstoʊ/ Great energy and enthusiastic enjoyment in doing something. M S

/stəˈtɪstɪkəl/ Relating to statistics or the analysis of numerical data. M S

/ˈaɪəˌdaɪn/ the chemical element with atomic number 53, a dark halogen that forms a violet vapor when heated M S

radioactivity C1

/ˌreɪdɪəʊakˈtɪvɪti/ Spontaneous emission of ionizing radiation as a consequence of a nuclear reaction, or directly from the breakdown of an unstable nucleus. M S

/ˈprɪzəm/ a transparent optical element with flat faces that refracts light, often separating it into colors M S

/ˈɑptɪks/ the branch of physics concerned with light, vision, and the behavior of electromagnetic radiation M S

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C2 (308) Pro

/ˈɡɛl.ək.si/ a vast gravitationally bound system of stars, gas, dust, dark matter, and other astronomical objects M S

/ˈaɪvi/ Any of several woody, climbing, or trailing evergreen plants of the genus Hedera. M S

/ˈkɔɹ.ə.nɚ/ A public official who presides over an inquest into unnatural deaths, and who may have (or historically had) additional powers such as investigating cases of treasure trove. M S

/ˈmjuː.tənt/ an organism, cell, gene, or other biological entity that carries a mutation M S

/ˈæst(ə)ɹɔɪd/ a natural rocky or metallic body smaller than a planet that orbits a star, especially one orbiting the Sun M S

/kɹeɪt/ to put into a crate M S

/ˌɹeɪdioʊˈæktɪv/ exhibiting or caused by radioactivity M S

/ˈsʌkʃən/ the process or force by which reduced pressure draws in a fluid or makes surfaces adhere M S

/ˈmɑːr.ʃən/ of or relating to the planet Mars or its actual or imagined inhabitants M S

/ˈju.nɪ.kɔɹn/ A mythical horse, widely believed to exist until the 17th century, with a single, straight, spiraled horn projecting from its forehead. M S

[haɪˈpʰɑθəsɪs] An idea put forward to explain something, which can then be tested. M S

/ˈwɑtəɹˌmɛlən/ An environmentalist with socialist leanings, an ecosocialist. M S

gravitational C2

/ˌɡɹævɪˈteɪʃənəl/ Relating to or caused by gravity. M S

/ˌɪnfɹəˈɹɛd/ using or relating to electromagnetic wavelengths longer than visible red light but shorter than microwaves M S

/ˈzoʊ.di.æk/ the belt of the sky centered on the ecliptic through which the sun, moon, and visible planets appear to move M S

/ˈnebjələ/ an interstellar cloud of gas and dust, often associated with the formation or death of stars M S

/ɛlk/ large northern deer with enormous flattened antlers in the male M S

/kəˈmi.li.ən/ A small to mid-size reptile, of the family Chamaeleonidae, and one of the best known lizard families able to change color and project its long tongue. M S

/niˈændərˌtɑːl/ a member of an extinct human species, Homo neanderthalensis, that lived in Europe and western Asia until about 40,000 years ago M S

/ɪˈveɪʒən/ nonperformance of something distasteful, as by deceit or trickery, that you are supposed to do M S

inconclusive C2

/ˌɪnkənˈklusɪv/ Not conclusive, not leading to a conclusion. M S

/ælˈbaɪnoʊ/ born with albinism and therefore having little or no melanin pigmentation M S

/ˈstɑrˌdʌst/ fine particles of matter originating in stars or present in interstellar space M S

/dʒəˈræsɪk/ relating to the second period of the Mesozoic Era, approximately 201 to 145 million years ago M S

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C2+ (73) Pro

/ˈpoʊkɚ/ One who pokes. M S

/slet/ designate or schedule M S

/məˈlɪɡnənt/ Harmful, malevolent, injurious. M S

/ɪkˈstɔː(ɹ)t/ obtain by coercion or intimidation M S

/ˈkɔːz.weɪ/ to provide with a causeway M S

unattainable C2+

/ˌɐnəˈtæɪnəbəl/ impossible to achieve M S

/ˈɪnfrəˌsaʊnd/ sound waves having a frequency below the human audible range (below about 20 Hz). M S

/ˌwɛlˈnaɪ/ Almost, nearly. M S

/ˈfʌlɡjəraɪt/ a glassy, often branching tube or crust formed when lightning fuses sand, soil, or rock M S

antihydrogen C2+

/ˌæn.tiˈhaɪ.drə.dʒən/ the antimatter counterpart of hydrogen, whose atom consists of a positron bound to an antiproton M S

arachnologist C2+

/əˌrækˈnɑːlədʒɪst/ a scientist who specializes in the study of spiders and other arachnids M S

/ˈfɛkənˌdeɪt/ formal: to make an organism, egg, or reproductive structure fertile; to fertilize or impregnate M S

/ˈdʒɝːmˌplæzəm/ the hereditary material of a species or breeding line, especially as transmitted through reproductive cells M S

/ˈmjuː ˌmez.ɑːn/ dated, the former name for the muon, used when that particle was mistakenly classified as a meson rather than a lepton M S

/ˈpaɪ ˌmez.ɑːn/ a pion, any of three unstable spin-zero mesons with positive, negative, or zero charge, formed from combinations of up and down quarks and antiquarks M S

interplanetarian C2+

/ˌɪntərˌplænəˈtɛriən/ relating to travel, communication, or events between planets; interplanetary M S

/ɪˈbʊljənt/ cheerful and full of energy; exuberant M S

/ˈlæŋɡwɪd/ displaying a pleasant lack of energy or a relaxed slowness M S

/ˈnoʊʃənəl/ existing only in theory or as a supposition; hypothetical M S

/ˈɑbləɡeɪt/ to bind legally or morally; in biology, restricted to one mode of life M S

/ˈslʌɡɪʃ/ slow-moving, inactive, or lacking energy M S

/ˈɛnɚveɪt/ to weaken or drain of energy, strength, or vitality M S

lackadaisical C2+

/ˌlækəˈdeɪzɪkəl/ lacking enthusiasm, energy, or determination M S

/ˈtɔrpɪd/ sluggish, inactive, or mentally dull; lacking energy M S

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