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concentrate

[kon-suhn-treyt]
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.
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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.
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noun
  1. a concentrated form of something; a product of concentration: a juice concentrate.
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Origin of concentrate

1630–40; concentr(ic) + -ate2; compare French concentrer, Italian concentrare
Related formscon·cen·tra·tive [kon-suhn-trey-tiv, kuhn-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 for concentrate

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for concentrative

Historical Examples of concentrative

  • They are not concentrative, and they are not infallibly courteous, as men are.

    Atlantic Monthly, Vol. XII. July, 1863, No. LXIX.

    Various

  • We shall give you a practical working knowledge of concentrative mental methods and devices.

  • He found it demand a concentrative effort, and Harry was very sorry and even ashamed, but he loved least to read that way.

    Young Blood

    E. W. Hornung

  • C D is also concentrative, though less so than B C, and is more strongly sensational.

  • I'll see if I can't develop my concentrative faculty and introduce a few of the same performances in our show.

    The Sorcery Club

    Elliott O'Donnell


British Dictionary definitions for concentrative

concentrative

adjective
  1. tending to concentrate; characterized by concentration
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Derived Formsconcentratively, adverbconcentrativeness, noun

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)
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noun
  1. a concentrated material or solutiontomato concentrate
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Derived Formsconcentrator, noun

Word Origin for concentrate

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 concentrative

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.

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concentrate

n.

1883, from concentrate (v.).

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Online Etymology Dictionary, © 2010 Douglas Harper