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conceive of
concentrate on
concentrated fire
concentration area
concentration camp
concentration gradient

Concentrate definitions

Webster's 1828 Dictionary

CONCENTRATE, v.t. [See Concenter.]
1. To bring to a common center, or to a closer union; to cause to approach nearer to a point, or center; to bring nearer to each other; as, to concentrate particles of salt by evaporating the water that holds them in solution; to concentrate the troops in an army; to concentrate rays of light into a focus.
2. To increase the specific gravity of a body.

WordNet (r) 3.0 (2005)

1: the desired mineral that is left after impurities have been removed from mined ore [syn: dressed ore, concentrate]
2: a concentrated form of a foodstuff; the bulk is reduced by removing water
3: a concentrated example of something; "the concentrate of contemporary despair" v
1: make denser, stronger, or purer; "concentrate juice"
2: direct one's attention on something; "Please focus on your studies and not on your hobbies" [syn: concentrate, focus, center, centre, pore, rivet]
3: make central; "The Russian government centralized the distribution of food" [syn: centralize, centralise, concentrate] [ant: decentralise, decentralize, deconcentrate]
4: make more concise; "condense the contents of a book into a summary" [syn: digest, condense, concentrate]
5: draw together or meet in one common center; "These groups concentrate in the inner cities"
6: compress or concentrate; "Congress condensed the three-year plan into a six-month plan" [syn: condense, concentrate, contract]
7: be cooked until very little liquid is left; "The sauce should reduce to one cup" [syn: boil down, reduce, decoct, concentrate]
8: cook until very little liquid is left; "The cook reduced the sauce by boiling it for a long time" [syn: reduce, boil down, concentrate]

Merriam Webster's

I. verb (-trated; -trating) Etymology: com- + Latin centrum center Date: 1641 transitive verb 1. a. to bring or direct toward a common center or objective ; focus <concentrate one's efforts> b. to gather into one body, mass, or force <power was concentrated in a few able hands> c. to accumulate (a toxic substance) in bodily tissues <fish concentrate mercury> 2. a. to make less dilute <concentrate syrup> b. to express or exhibit in condensed form intransitive verb 1. to draw toward or meet in a common center 2. gather, collect 3. to focus one's powers, efforts, or attention <concentrate on a problem> concentratedly adverb concentrative adjective II. noun Date: 1883 1. something concentrated: as a. a mineral-rich product obtained after an initial processing of ore b. a food reduced in bulk by elimination of fluid <orange juice concentrate> 2. a feedstuff (as grains) relatively rich in digestible nutrients compare fiber

Oxford Reference Dictionary

v. & n. --v. 1 intr. (often foll. by on, upon) focus all one's attention or mental ability. 2 tr. bring together (troops, power, attention, etc.) to one point; focus. 3 tr. increase the strength of (a liquid etc.) by removing water or any other diluting agent. 4 tr. (as concentrated adj.) (of hate etc.) intense, strong. --n. 1 a concentrated substance. 2 a concentrated form of esp. food. Derivatives: concentratedly adv. concentrative adj. concentrator n. Etymology: after concentre f. F concentrer (as con- + centre)

Webster's 1913 Dictionary

Concentrate Con*cen"trate (? or ?), v. i. To approach or meet in a common center; to consolidate; as, population tends to concentrate in cities.

Webster's 1913 Dictionary

Concentrate Con*cen"trate (? or ?), v. t. [imp. & p. p. Concentrated; p. pr. & vb. n. Concentrating.] [Pref. con- + L. centrum center. Cf. Concenter.] 1. To bring to, or direct toward, a common center; to unite more closely; to gather into one body, mass, or force; to fix; as, to concentrate rays of light into a focus; to concentrate the attention. (He) concentrated whole force at his own camp. --Motley. 2. To increase the strength and diminish the bulk of, as of a liquid or an ore; to intensify, by getting rid of useless material; to condense; as, to concentrate acid by evaporation; to concentrate by washing; -- opposed to dilute. Spirit of vinegar concentrated and reduced to its greatest strength. --Arbuthnot. Syn: To combine; to condense; to consolidate.

Collin's Cobuild Dictionary

(concentrates, concentrating, concentrated) Frequency: The word is one of the 3000 most common words in English. 1. If you concentrate on something, or concentrate your mind on it, you give all your attention to it. It was up to him to concentrate on his studies and make something of himself... At work you need to be able to concentrate... This helps you to be aware of time and concentrates your mind on the immediate task. VERB: V on n/-ing, V, V n on n 2. If something is concentrated in an area, it is all there rather than being spread around. Most development has been concentrated in and around cities. VERB: usu passive, be V-ed in n, also be V-ed adv 3. Concentrate is a liquid or substance from which water has been removed in order to make it stronger, or to make it easier to store. ...orange juice made from concentrate. N-MASS 4. If you say that an unpleasant fact or situation concentrates someone's mind, you mean that it makes them think clearly, because they are aware of the serious consequences if they do not. A term in prison will concentrate his mind wonderfully. PHRASE: V and N inflect

Soule's Dictionary of English Synonyms

v. a. 1. Condense, bring into a small compass, bring toward a central point. 2. Boil down, reduce by evaporation, rectify, reduce to extreme purity and strength.

Moby Thesaurus

abbreviate, accelerate, aggravate, approach, assemble, attend closely to, attend to business, be alert, be obsessed with, beef up, blow up, bring into focus, bring together, center, centralize, circumscribe, close, close in, close up, close with, cluster, coarct, collect, come together, compact, complicate, compress, concenter, concentralize, concentrate on, concentrate the mind, concentrate upon, concentrated, concentration, condense, congest, congregate, consolidate, constant, constrict, constringe, contract, converge, cram, cramp, crowd, curtail, decoct, decoction, decrease, deepen, densen, densify, direct, distill, distillate, distillation, double, draw, draw in, draw together, elixir, enhance, essence, essentialize, establish, exacerbate, exaggerate, exclusive, express, extract, extraction, fall in with, firm, fix, fix on, fixate, fixed, focalize, focus, focus on, funnel, gather, give heed, group, heap, heat up, heighten, hop up, hot up, infuse, infusion, integrate, intensify, intersect, jam, jazz up, key up, knit, look lively, look out, look sharp, magnify, make complex, mass, meet, melt down, miss nothing, narrow, narrow the gap, nip, pay attention, pay heed, pile, pinch, press, press out, pucker, pucker up, purification, purse, put, quintessence, ram down, ramify, redouble, reduce, refine, refinement, reinforce, render, rivet, run together, scrutinize, set, settle, sharpen, shorten, shrink, soak, solidify, soup up, spirit, squeeze, steadfast, steady, steep, step up, strangle, strangulate, strengthen, study, take care, take heed, taper, think, triple, undistracted, undivided, unfaltering, unite, unremitting, unwavering, watch out, whet, wring, wring out, wrinkle


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