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concentrate

[kon-suh n-treyt]
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verb (used with object), con·cen·trat·ed, con·cen·trat·ing.
  1. 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.
  2. to put or bring into a single place, group, etc.: The nation's wealth had been concentrated in a few families.
  3. to intensify; make denser, stronger, or purer, especially by the removal or reduction of liquid: to concentrate fruit juice; to concentrate a sauce by boiling it down.
  4. Mining. to separate (metal or ore) from rock, sand, etc., so as to improve the quality of the valuable portion.
verb (used without object), con·cen·trat·ed, con·cen·trat·ing.
  1. to bring all efforts, faculties, activities, etc., to bear on one thing or activity (often followed by on or upon): to concentrate on solving a problem.
  2. to come to or toward a common center; converge; collect: The population concentrated in one part of the city.
  3. to become more intense, stronger, or purer.
noun
  1. a concentrated form of something; a product of concentration: a juice concentrate.

Origin of concentrate

1630–40; concentr(ic) + -ate2; compare French concentrer, Italian concentrare
Related formscon·cen·tra·tive [kon-suh n-trey-tiv, kuh n-sen-truh-] /ˈkɒn sənˌtreɪ tɪv, kənˈsɛn trə-/, adjectivecon·cen·tra·tive·ness, nouncon·cen·tra·tor, nounnon·con·cen·tra·tive, adjectivenon·con·cen·tra·tive·ness, nouno·ver·con·cen·trate, verb, o·ver·con·cen·trat·ed, o·ver·con·cen·trat·ing.pre·con·cen·trate, noun, verb, pre·con·cen·trat·ed, pre·con·cen·trat·ing.re·con·cen·trate, verb, re·con·cen·trat·ed, re·con·cen·trat·ing.un·con·cen·tra·tive, adjective

Synonym study

1. See contract.

Antonyms

1. dissipate, disperse. 5. diverge.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for concentrate

Contemporary Examples

Historical Examples

  • Darkness is quite unnecessary, but I think it helps one to concentrate.'

    Echoes of the War

    J. M. Barrie

  • The narrowness serves to concentrate the strength and accelerate the work.

    Mountain Meditations

    L. Lind-af-Hageby

  • But London thwarted her; in its atmosphere she could not concentrate.

    Howards End

    E. M. Forster

  • He answered: "You're a clever little woman, but my motto's Concentrate."

    Howards End

    E. M. Forster

  • She shook her head, tried to concentrate her attention, and failed.

    Howards End

    E. M. Forster


British Dictionary definitions for concentrate

concentrate

verb
  1. to come or cause to come to a single purpose or aimto concentrate one's hopes on winning
  2. to make or become denser or purer by the removal of certain elements, esp the solvent of a solution
  3. (tr) to remove rock or sand from (an ore) to make it purer
  4. (intr often foll by on) to bring one's faculties to bear (on); think intensely (about)
noun
  1. a concentrated material or solutiontomato concentrate
Derived Formsconcentrator, noun

Word Origin

C17: back formation from concentration, ultimately from Latin com- same + centrum centre
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for concentrate

v.

1630s, "to bring or come to a common center," from concenter (1590s), from Italian concentrare, from Latin com- "together" (see com-) + centrum "center" (see center). Meaning "condense" is from 1680s. Sense of "mentally focus" is c.1860. Related: Concentrated; concentrating.

n.

1883, from concentrate (v.).

Online Etymology Dictionary, © 2010 Douglas Harper