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dilute

[dih-loot, dahy-; adjective dahy-loot]
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verb (used with object), di·lut·ed, di·lut·ing.
  1. to make (a liquid) thinner or weaker by the addition of water or the like.
  2. to make fainter, as a color.
  3. to reduce the strength, force, or efficiency of by admixture.
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verb (used without object), di·lut·ed, di·lut·ing.
  1. to become diluted.
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adjective
  1. reduced in strength, as a chemical by admixture; weak: a dilute solution.
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Origin of dilute

1545–55; < Latin dīlūtus washed away, dissolved (past participle of dīluere), equivalent to dī- di-2 + -lūtus, combining form of lautus (lav(ere) to wash + -tus past participle suffix)
Related formsdi·lut·er, di·lu·tor, noundi·lu·tive, adjectivean·ti·di·lu·tive, adjectiveo·ver·di·lute, verb, o·ver·di·lut·ed, o·ver·di·lut·ing.un·di·lute, adjectiveun·di·lut·ed, adjectiveun·di·lut·ing, adjective
Can be confuseddilate dilute

Synonyms

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

Related Words

concentratedneatout-and-outplainpurestrongthoroughgoingunadulteratedunqualifiedunmixedunmodifiedabsoluteperfectsheersimplestraight

Examples from the Web for undiluted

Contemporary Examples

Historical Examples

  • Christmas Day was a day of undiluted triumph for Father Letheby.

    My New Curate

    P.A. Sheehan

  • I have a special, undiluted dislike of one picture,—the Magnificat.

    My New Curate

    P.A. Sheehan

  • Truth, when undiluted, is too strong a medicine for many minds.

    The Map of Life

    William Edward Hartpole Lecky

  • Gwenlyn finds the undiluted society of Talents a bit wearing.

    Talents, Incorporated

    William Fitzgerald Jenkins

  • He was looking forward to it now with feelings of undiluted satisfaction.

    The Double Four

    E. Phillips Oppenheim


British Dictionary definitions for undiluted

undiluted

adjective
  1. not diluted with water or any other liquidundiluted fruit juice
  2. not moderated or qualified in any wayexpressing undiluted pleasure
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dilute

verb
  1. to make or become less concentrated, esp by adding water or a thinner
  2. to make or become weaker in force, effect, etche diluted his story
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adjective
  1. chem
    1. (of a solution, suspension, mixture, etc) having a low concentration or a concentration that has been reduced by admixture
    2. (of a substance) present in solution, esp a weak solution in waterdilute acetic acid
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Derived Formsdilutee, noundiluter, noun

Word Origin

C16: from Latin dīluere, from dis- apart + -luere, from lavāre to wash
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 undiluted

adj.

1756, from un- (1) "not" + past participle of dilute.

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dilute

v.

1550s, from Latin dilutus, past participle of diluere "dissolve, wash away, dilute," from dis- "apart" + -luere, comb. form of lavere "to wash" (see lave). Related: Diluted; diluting. As an adjective from c.1600.

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Online Etymology Dictionary, © 2010 Douglas Harper

undiluted in Medicine

dilute

(dī-lōōt, dĭ-)
v.
  1. To reduce a solution or mixture in concentration, quality, strength, or purity, as by adding water.
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adj.
  1. Thinned or weakened by diluting.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.