| abacinate | (verb) blind by holding a red-hot metal plate before someone's eyes | - |
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| abate | (verb) become less in amount or intensity | Synonyms: die away, let up, slack, slack off |
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| (verb) make less active or intense | Synonyms: slack, slake |
| abbreviate | (verb) shorten | - |
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| (verb) reduce in scope while retaining essential elements | Synonyms: abridge, contract, cut, foreshorten, reduce, shorten |
| abdicate | (verb) give up, such as power, as of monarchs and emperors, or duties and obligations | Synonyms: renounce |
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| aberrate | (verb) diverge or deviate from the straight path; produce aberration | - |
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| (verb) diverge from the expected | - |
| ablactate | (verb) gradually deprive (infants and young mammals) of mother's milk | Synonyms: wean |
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| ablate | (verb) wear away through erosion or vaporization | - |
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| (verb) remove an organ or bodily structure | - |
| abnegate | (verb) deny or renounce | - |
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| (verb) surrender (power or a position) | - |
| (verb) deny oneself (something); restrain, especially from indulging in some pleasure | Synonyms: deny |
| abominate | (verb) find repugnant | Synonyms: abhor, execrate, loathe |
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| abranchiate | (adjective) having no gills | Synonyms: abranchial, abranchious, gill-less |
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| abrogate | (verb) revoke formally | - |
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| absolute | (adjective) perfect or complete or pure | - |
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| (adjective) not limited by law | - |
| (adjective) not capable of being violated or infringed | Synonyms: infrangible, inviolable |
| (adjective) expressing finality with no implication of possible change | - |
| (adjective) complete and without restriction or qualification; sometimes used informally as intensifiers | Synonyms: downright, out-and-out, rank, right-down, sheer |
| (noun) something that is conceived or that exists independently and not in relation to other things; something that does not depend on anything else and is beyond human control; something that is not relative | - |
| absorbate | (noun) a material that has been or is capable of being absorbed | - |
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| absquatulate | (verb) run away; usually includes taking something or somebody along | Synonyms: abscond, bolt, decamp, go off, make off, run off |
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| acanthocyte | (noun) an abnormal red blood cell that has thorny projections of protoplasm | - |
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| acaryote | (noun) a cell without a nucleus (as an erythrocyte) | Synonyms: akaryocyte, akaryote |
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| acaudate | (adjective) lacking a tail or taillike appendage | Synonyms: acaudal |
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| accelerate | (verb) move faster | Synonyms: quicken, speed, speed up |
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| (verb) cause to move faster | Synonyms: speed, speed up |
| accentuate | (verb) to stress, single out as important | Synonyms: accent, emphasise, emphasize, punctuate, stress |
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| (verb) put stress on; utter with an accent | Synonyms: accent, stress |
| acclimate | (verb) get used to a certain climate | Synonyms: acclimatise, acclimatize |
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| accommodate | (verb) make fit for, or change to suit a new purpose | Synonyms: adapt |
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| (verb) make (one thing) compatible with (another) | Synonyms: conciliate, reconcile |
| (verb) provide a service or favor for someone | Synonyms: oblige |
| (verb) provide with something desired or needed | - |
| (verb) be agreeable or acceptable to | Synonyms: fit, suit |
| (verb) provide housing for | Synonyms: lodge |
| (verb) have room for; hold without crowding | Synonyms: admit, hold |
| accrete | (verb) grow together (of plants and organs) | Synonyms: grow together |
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| (verb) grow or become attached by accretion | - |
| acculturate | (verb) assimilate culturally | - |
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| accumulate | (verb) increase in amount by collecting or gathering | Synonyms: amass, conglomerate, cumulate, gather, pile up |
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| (verb) get or gather together | Synonyms: amass, collect, compile, hoard, pile up, roll up |
| accurate | (adjective) conforming exactly or almost exactly to fact or to a standard or performing with total accuracy | - |
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| (adjective) (of ideas, images, representations, expressions) characterized by perfect conformity to fact or truth; strictly correct | Synonyms: exact, precise |
| acerate | (adjective) narrow and long and pointed; as pine leaves | Synonyms: acerose, acicular, needle-shaped |
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| acerbate | (verb) make sour or bitter | - |
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| (verb) cause to be bitter or resentful | Synonyms: embitter, envenom |
| acervate | (adjective) pertaining to a growth of fungi that forms a heaped-up mass | - |
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| acetate | (noun) a fabric made from fibers of cellulose acetate | Synonyms: acetate rayon |
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| (noun) a salt or ester of acetic acid | Synonyms: ethanoate |
| acetylate | (verb) receive substitution of an acetyl group | Synonyms: acetylise, acetylize |
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| (verb) introduce an acetyl group into (a chemical compound) | Synonyms: acetylise, acetylize |
| achondrite | (noun) a stony meteor lacking chondrules | - |
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| aciculate | (adjective) related to plants or animals or crystals having aciculae or needlelike parts | - |
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| acidulate | (verb) make sour or more sour | Synonyms: acetify, acidify, sour |
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| acolyte | (noun) someone who assists a priest or minister in a liturgical service; a cleric ordained in the highest of the minor orders in the Roman Catholic Church but not in the Anglican Church or the Eastern Orthodox Churches | - |
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| aconite | (noun) any of various usually poisonous plants of the genus Aconitum having tuberous roots and palmately lobed leaves and blue or white flowers | - |
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| acrylate | (noun) a salt or ester of propenoic acid | Synonyms: propenoate |
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| actinolite | (noun) a green mineral of the amphibole group; calcium magnesium iron silicate | - |
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| actinomycete | (noun) any bacteria (some of which are pathogenic for humans and animals) belonging to the order Actinomycetales | - |
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| activate | (verb) make active or more active | - |
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| (verb) make (substances) radioactive | - |
| (verb) aerate (sewage) so as to favor the growth of organisms that decompose organic matter | Synonyms: aerate |
| (verb) make more adsorptive | - |
| (verb) put in motion or move to act | Synonyms: actuate, set off, spark, spark off, touch off, trigger, trigger off, trip |
| actuate | (verb) put in motion or move to act | Synonyms: activate, set off, spark, spark off, touch off, trigger, trigger off, trip |
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| (verb) give an incentive for action | Synonyms: incite, motivate, move, prompt, propel |
| acuate | (adjective) ending in a sharp point | Synonyms: acute, needlelike, sharp |
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| aculeate | (adjective) having or resembling a stinger or barb | Synonyms: aculeated |
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| acuminate | (adjective) (of a leaf shape) narrowing to a slender point | - |
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| (verb) make sharp or acute; taper; make (something) come to a point | - |
| acute | (adjective) having or experiencing a rapid onset and short but severe course | - |
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| (adjective) of an angle; less than 90 degrees | - |
| (adjective) of critical importance and consequence | - |
| (adjective) having or demonstrating ability to recognize or draw fine distinctions | Synonyms: discriminating, incisive, keen, knifelike, penetrating, penetrative, piercing, sharp |
| (adjective) ending in a sharp point | Synonyms: acuate, needlelike, sharp |
| (adjective) extremely sharp or severe | Synonyms: intense |
| (noun) a mark placed above a vowel to indicate pronunciation | Synonyms: acute accent, ague |
| adequate | (adjective) having the requisite qualities or resources to meet a task | Synonyms: equal |
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| (adjective) about average; acceptable | Synonyms: fair to middling, passable, tolerable |
| (adjective) sufficient for the purpose | Synonyms: enough |
| adesite | (noun) dark greyish extrusive rock | - |
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| adjudicate | (verb) bring to an end; settle conclusively | Synonyms: decide, resolve, settle |
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| (verb) put on trial or hear a case and sit as the judge at the trial of | Synonyms: judge, try |
| administrate | (verb) work in an administrative capacity; supervise or be in charge of | Synonyms: administer |
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| adnate | (adjective) of unlike parts or organs; growing closely attached | - |
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| adsorbate | (adjective) capable of being adsorbed or accumulated on a surface of a solid | Synonyms: adsorbable |
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| (noun) a material that has been or is capable of being adsorbed | - |
| adulate | (verb) flatter in an obsequious manner | - |
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| adulterate | (adjective) mixed with impurities | Synonyms: adulterated, debased |
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| (verb) corrupt, debase, or make impure by adding a foreign or inferior substance; often by replacing valuable ingredients with inferior ones | Synonyms: debase, dilute, load, stretch |
| adumbrate | (verb) describe roughly or briefly or give the main points or summary of | Synonyms: outline, sketch |
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| (verb) give to understand | Synonyms: insinuate, intimate |
| advocate | (noun) a person who pleads for a cause or propounds an idea | Synonyms: advocator, exponent, proponent |
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| (noun) a lawyer who pleads cases in court | Synonyms: counsel, counsellor, counselor-at-law, counselor, pleader |
| (verb) push for something | Synonyms: recommend, urge |
| (verb) speak, plead, or argue in favor of | Synonyms: preach |
| aerate | (verb) aerate (sewage) so as to favor the growth of organisms that decompose organic matter | Synonyms: activate |
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| (verb) impregnate, combine, or supply with oxygen | Synonyms: oxygenate, oxygenise, oxygenize |
| (verb) expose to fresh air | Synonyms: air, air out |
| aerolite | (noun) a stony meteorite consisting of silicate minerals | - |
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| aerophyte | (noun) plant that derives moisture and nutrients from the air and rain; usually grows on another plant but not parasitic on it | Synonyms: air plant, epiphyte, epiphytic plant |
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| aesthete | (noun) one who professes great sensitivity to the beauty of art and nature | Synonyms: esthete |
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| aestivate | (verb) sleep during summer | Synonyms: estivate |
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| affectionate | (adjective) having or displaying warmth or affection | Synonyms: fond, lovesome, tender |
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| affiliate | (noun) a subsidiary or subordinate organization that is affiliated with another organization | - |
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| (noun) a subordinate or subsidiary associate; a person who is affiliated with another or with an organization | - |
| (verb) join in an affiliation | - |
| (verb) keep company with; hang out with | Synonyms: associate, assort, consort |
| affricate | (noun) a composite speech sound consisting of a stop and a fricative articulated at the same point (as `ch' in `chair' and `j' in `joy') | Synonyms: affricate consonant, affricative |
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| aftertaste | (noun) an afterimage of a taste | - |
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| agamete | (noun) an asexual reproductive cell | - |
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| agate | (noun) an impure form of quartz consisting of banded chalcedony; used as a gemstone and for making mortars and pestles | - |
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| agglomerate | (adjective) clustered together but not coherent | Synonyms: agglomerated, agglomerative, clustered |
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| (noun) a collection of objects laid on top of each other | Synonyms: cumulation, cumulus, heap, mound, pile |
| (noun) volcanic rock consisting of large fragments fused together | - |
| (verb) form into one cluster | - |
| agglutinate | (adjective) united as if by glue | Synonyms: agglutinative |
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| (verb) clump together; as of bacteria, red blood cells, etc. | - |
| (verb) string together (morphemes in an agglutinating language) | - |
| aggravate | (verb) make worse | Synonyms: exacerbate, exasperate, worsen |
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| (verb) exasperate or irritate | Synonyms: exacerbate, exasperate |
| aggregate | (adjective) composed of a dense cluster of separate units such as carpels or florets or drupelets | - |
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| (adjective) formed of separate units gathered into a mass or whole | Synonyms: aggregated, aggregative, mass |
| (noun) the whole amount | Synonyms: sum, total, totality |
| (noun) a sum total of many heterogenous things taken together | Synonyms: congeries, conglomeration |
| (noun) material such as sand or gravel used with cement and water to make concrete, mortar, or plaster | - |
| (verb) gather in a mass, sum, or whole | Synonyms: combine |
| (verb) amount in the aggregate to | - |
| agitate | (verb) change the arrangement or position of | Synonyms: commove, disturb, raise up, shake up, stir up, vex |
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| (verb) cause to be agitated, excited, or roused | Synonyms: charge, charge up, commove, excite, rouse, turn on |
| (verb) move very slightly | Synonyms: budge, shift, stir |
| (verb) move or cause to move back and forth | Synonyms: shake |
| (verb) try to stir up public opinion | Synonyms: foment, stir up |
| (verb) exert oneself continuously, vigorously, or obtrusively to gain an end or engage in a crusade for a certain cause or person; be an advocate for | Synonyms: campaign, crusade, fight, press, push |
| agnate | (adjective) related on the father's side | Synonyms: agnatic, paternal |
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| (noun) one related on the father's side | Synonyms: patrikin, patrilineal kin, patrilineal sib, patrisib |
| aguacate | (noun) a pear-shaped tropical fruit with green or blackish skin and rich yellowish pulp enclosing a single large seed | Synonyms: alligator pear, avocado, avocado pear |
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| aigrette | (noun) a long plume (especially one of egret feathers) worn on a hat or a piece of jewelry in the shape of a plume | Synonyms: aigret |
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| aiguillette | (noun) ornamental tagged cord or braid on the shoulder of a uniform | Synonyms: aglet, aiglet |
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| akaryocyte | (noun) a cell without a nucleus (as an erythrocyte) | Synonyms: acaryote, akaryote |
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| akaryote | (noun) a cell without a nucleus (as an erythrocyte) | Synonyms: acaryote, akaryocyte |
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| alate | (adjective) (of seeds or insects) having winglike extensions | Synonyms: alated |
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| albite | (noun) a widely distributed feldspar that forms rocks | Synonyms: white feldspar |
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| alendronate | (noun) a tablet (trade name Fosamax) prescribed to prevent or treat osteoporosis in women after menopause | Synonyms: Fosamax |
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| alexandrite | (noun) a green variety of chrysoberyl used as a gemstone | - |
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| alienate | (verb) arouse hostility or indifference in where there had formerly been love, affection, or friendliness | Synonyms: disaffect, estrange |
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| (verb) make withdrawn or isolated or emotionally dissociated | - |
| (verb) transfer property or ownership | Synonyms: alien |
| aliterate | (noun) a person who can read but is disinclined to derive information from literary sources | Synonyms: aliterate person |
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| alkylbenzenesulfonate | (noun) sulfonate of alkyl benzene | - |
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| alleviate | (verb) provide physical relief, as from pain | Synonyms: assuage, palliate, relieve |
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| (verb) make easier | Synonyms: ease, facilitate |
| alliterate | (verb) use alliteration as a form of poetry | - |
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| allocate | (verb) distribute according to a plan or set apart for a special purpose | Synonyms: apportion |
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| almandite | (noun) a deep red garnet consisting of iron aluminum silicate | Synonyms: almandine |
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| altercate | (verb) have a disagreement over something | Synonyms: argufy, dispute, quarrel, scrap |
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| alternate | (adjective) of leaves and branches etc; first on one side and then on the other in two ranks along an axis; not paired | - |
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| (adjective) serving or used in place of another | Synonyms: alternative, substitute |
| (adjective) occurring by turns; first one and then the other | Synonyms: alternating |
| (adjective) every second one of a series | - |
| (noun) someone who takes the place of another person | Synonyms: replacement, surrogate |
| (verb) do something in turns | Synonyms: take turns |
| (verb) go back and forth; swing back and forth between two states or conditions | Synonyms: jump |
| (verb) reverse (a direction, attitude, or course of action) | Synonyms: flip-flop, flip, interchange, switch, tack |
| (verb) be an understudy or alternate for a role | Synonyms: understudy |
| (verb) exchange people temporarily to fulfill certain jobs and functions | - |
| aluminate | (noun) a compound of alumina and a metallic oxide | - |
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| alveolate | (adjective) pitted with cell-like cavities (as a honeycomb) | Synonyms: cavitied, faveolate, honeycombed, pitted |
|---|
| amalgamate | (adjective) joined together into a whole | Synonyms: amalgamated, coalesced, consolidated, fused |
|---|
| (verb) to bring or combine together or with something else | Synonyms: commix, mingle, mix, unify |
| amblygonite | (noun) a white or grey mineral consisting of lithium aluminum phosphate; a source of lithium | - |
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| ambulate | (verb) walk about; not be bedridden or incapable of walking | - |
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| ameliorate | (verb) get better | Synonyms: better, improve, meliorate |
|---|
| (verb) to make better | Synonyms: amend, better, improve, meliorate |
| ammoniate | (verb) treat with ammonia | - |
|---|
| ammonite | (noun) one of the coiled chambered fossil shells of extinct mollusks | Synonyms: ammonoid |
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| amniote | (noun) any member of the Amniota | - |
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| amphibolite | (noun) a metamorphic rock composed chiefly of amphibole and plagioclase | - |
|---|
| ampholyte | (noun) A substance that acts as a base or an acid, depending on the pH of the solution into which it is introduced. | Synonyms: amphoteric electrolyte |
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