con·cen·trate /ˈkɑn(t)sənˌtret, ˌsɛn-/
(vt.)集中,集結;濃縮(vi.)集中,集結;濃縮
con·cen·trate /ˈkɑn(t)sənˌtret, ˌsɛn-/ 動詞
Con·cen·trate v. t. [imp. & p. p. Concentrated; p. pr. & vb. n. Concentrating.]
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.
Con·cen·trate v. i. To approach or meet in a common center; to consolidate; as, population tends to concentrate in cities.
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concentrate
n 1: the desired mineral that is left after impurities have been
removed from mined ore [syn: dressed ore]
2: a concentrated form of a foodstuff; the bulk is reduced by
removing water
3: a concentrated example; "the concentrate of contemporary
despair"
v 1: make (the solvent of a solution) dense or denser
2: direct one's attention on something; "Please focus on your
studies and not on your hobbies" [syn: focus, center,
centre, pore, rivet]
3: make central; "The Russian government centralized the
distribution of food" [syn: centralize, centralise]
[ant: decentralize, decentralize, decentralize]
4: make more concise; "condense the contents of a book into a
summary" [syn: digest, condense]
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, contract]
7: be cooked until very little liquid is left; "The sauce
should reduce to one cup" [syn: boil down, reduce, decoct]
8: cook until very little liquid is left; "The cook reduced the
sauce by boiling it for a long time" [syn: reduce, boil
down]