Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • transitive v. To direct or draw toward a common center; focus.
  • transitive v. To bring into one main body: Authority was concentrated in the president.
  • transitive v. To make (a solution or mixture) less dilute.
  • intransitive v. To converge toward or meet in a common center.
  • intransitive v. To increase by degree; gather: "Dusk began to concentrate into full night” ( Anthony Hyde).
  • intransitive v. To direct one's thoughts or attention: We concentrated on the task before us.
  • n. A product that has been concentrated, especially a food that has been reduced in volume or bulk by the removal of liquid: pineapple juice concentrate.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. , (intransitive) To bring to, or direct toward, a common center; to unite more closely; to gather into one body, mass, or force.
  • v. 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; -- opposed to dilute.
  • v. To approach or meet in a common center; to consolidate.
  • v. To focus one's thought or attention (on).
  • n. A substance that is in a condensed form.

from the GNU version of the Collaborative International Dictionary of English

  • transitive v. To bring to, or direct toward, a common center; to unite more closely; to gather into one body, mass, or force; to fix.
  • transitive v. 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; ; -- opposed to dilute.
  • intransitive v. To approach or meet in a common center; to consolidate.

from The Century Dictionary and Cyclopedia

  • . To bring or draw to a common center or point of union; cause to come close together; bring to bear on one point; direct toward one object; focus: both in literal and in figurative uses.
  • Hence To intensify the action of, as by bringing it to bear upon one point; render more intense the properties of, as by removing foreign weakening or adulterating elements; specifically, in chem., to render more intense or pure by removing or reducing the proportion of what is foreign or inessential; rectify.
  • In mining, to separate (ore or metal) from the gangue or rock with which it is associated in the lode. See dress, 5 .
  • To approach or meet in or around a common point or center: as, the clouds rapidly concentrated in a dense mass.
  • To become more intense or pure. See I., 2.
  • Reduced to a pure or intense state; concentrated.
  • n. That which has been reduced to a state of purity or concentration by the removal of foreign, non-essential, or diluting matter.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the desired mineral that is left after impurities have been removed from mined ore
  • v. make central
  • v. make more concise
  • n. a concentrated example of something
  • v. be cooked until very little liquid is left
  • v. cook until very little liquid is left
  • v. direct one's attention on something
  • v. draw together or meet in one common center
  • n. a concentrated form of a foodstuff; the bulk is reduced by removing water
  • v. compress or concentrate
  • v. make denser, stronger, or purer

Etymologies

From concenter.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From French concentrer (Wiktionary)

Examples

  • Whey protein concentrate is just the powder that's left when the liquid whey is dried.

    Whey Protein

  • But this popular milk alternative, made from whole soybeans or soy protein concentrate, is considered a nutritionally adequate alternative to cow's milk thanks to its protein content.

    Nondairy Milk Alternatives

  • For your exercise in this chapter, concentrate—and when I use the word concentrate, I mean all that the word implies; become so absorbed in the object of your thought that you are conscious of nothing else, and do this a few minutes every day.

    The Master Key System

  • Although one might hope that Robison would again concentrate more of her attention on the short story, the form in which I believe her best work is to be found, it neverthelesswill be interesting to seeif she can continue to apply her miniaturist skills tocompelling effect in whatever future novels she may write as well.

    November 2009

  • This concentrate is generally frozen and diluted while serving with chilled water.

    Archive 2009-03-01

  • The futures market in orange juice concentrate is a better predictor of Florida weather than the National Weather Service.

    Terrorism Futures, Arnold Kling | EconLog | Library of Economics and Liberty

  • If Sarah Palin concentrate on her bid for running in 2012 she will be elected.

    Palin PAC raises $730K in six months

  • Mix the tequila, tamarind concentrate, simple syrup and Cointreau or Triple Sec, making sure all the tamarind concentrate is dissolved.

    Tamarind Margaritas: Margaritas de Tamarindo

  • Anonymous said ... your readers should know that, if they have freezer space, home made broth in concentrate form holds wonderfully and for a long time to use for sauces, soups etc. it's saved me many a time. love, mom

    A Variation on Hot, Sour Soups for Sick People: Laura’s Kitchen Sink Sopa de Lima

  • Dry fire as much as live fire, trade off and shoot afew clips through your 22LR, again concentrate on technique.

    Calculating Flinch Factor

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