| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024con•cen•tra•ted /ˈkɑnsənˌtreɪtəd/USA pronunciation adj. - made thicker or more intense, as by reducing the amount of liquid:Mix three cans of water with the concentrated orange juice.
focused;
intense:a concentrated barrage on the command headquarters. WordReference Random House Unabridged Dictionary of American English © 2024con•cen•trat•ed (kon′sən trā′tid),USA pronunciation adj. - applied with all one's attention, energy, etc.:their concentrated efforts to win the election.
- clustered or gathered together closely.
- treated to remove or reduce an inessential ingredient, esp. liquid:concentrated orange juice.
- concentrate + -ed2 1680–90
WordReference Random House Learner's Dictionary of American English © 2024con•cen•trate /ˈkɑnsənˌtreɪt/USA pronunciation v., -trat•ed, -trat•ing, n. v. - to direct (one's attention or efforts) to a point of focus: [no object; sometimes: ~ + on + object]I couldn't concentrate because the girls were fighting again. I couldn't concentrate on my work.[~ + object (+ on + object)]He concentrated his attention (on the problem of domestic violence).
- to come to or toward a point, place, group, etc.:[no object]The population tended to concentrate in the cities.
- [~ + object] to put or bring into a common center or single point, place, group, etc.: population concentrated in the industrial cities.
- to (cause to) become more intense, as by removing or reducing the amount of liquid: [no object]The gravy thickened and concentrated in the microwave.[~ + object]Concentrate the gravy by boiling it.
n. [countable] - a concentrated form of something;
product of concentration: Mix water with the juice concentrate.
WordReference Random House Unabridged Dictionary of American English © 2024con•cen•trate (kon′sən trāt′),USA pronunciation v., -trat•ed, -trat•ing, n. v.t. - to bring or draw to a common center or point of union; converge;
direct toward one point;
focus:to concentrate one's attention on a problem; to concentrate the rays of the sun with a lens. - to put or bring into a single place, group, etc.:The nation's wealth had been concentrated in a few families.
- to intensify;
make denser, stronger, or purer, esp. by the removal or reduction of liquid:to concentrate fruit juice; to concentrate a sauce by boiling it down. - Miningto separate (metal or ore) from rock, sand, etc., so as to improve the quality of the valuable portion.
v.i. - to bring all efforts, faculties, activities, etc., to bear on one thing or activity (often fol. by on or upon):to concentrate on solving a problem.
- to come to or toward a common center;
converge;
collect:The population concentrated in one part of the city. - to become more intense, stronger, or purer.
n. - a concentrated form of something;
a product of concentration:a juice concentrate.
- 1630–40; concentr(ic) + -ate2; compare French concentrer, Italian concentrare
- 1.See corresponding entry in Unabridged See contract.
- 1.See corresponding entry in Unabridged dissipate, disperse.
- 5.See corresponding entry in Unabridged diverge.
Collins Concise English Dictionary © HarperCollins Publishers:: concentrate /ˈkɒnsənˌtreɪt/ vb - to come or cause to come to a single purpose or aim: to concentrate one's hopes on winning
- to make or become denser or purer by the removal of certain elements, esp the solvent of a solution
- (intransitive) often followed by on: to bring one's faculties to bear (on); think intensely (about)
n - a concentrated material or solution
Etymology: 17th Century: back formation from concentration, ultimately from Latin com- same + centrum centreˈconcenˌtrator n |