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From Latin dilutus, from diluere (to wash away, dissolve, cause to melt, dilute), from di-, dis- (away, apart) + luere (to wash). See lave, and compare deluge.



dilute (third-person singular simple present dilutes, present participle diluting, simple past and past participle diluted)

  1. (transitive) To make thinner by adding solvent to a solution, especially by adding water.
    • (Can we date this quote by Blackmore and provide title, author's full name, and other details?)
      Mix their watery store / With the chyle's current, and dilute it more.
  2. (transitive) To weaken, especially by adding a foreign substance.
    • (Can we date this quote by Sir Isaac Newton and provide title, author's full name, and other details?)
      Lest these colours should be diluted and weakened by the mixture of any adventitious light.
  3. (transitive, stock market) To cause the value of individual shares to decrease by increasing the total number of shares.
  4. (intransitive) To become attenuated, thin, or weak.
    It dilutes easily.

Related terms[edit]




dilute (comparative more dilute, superlative most dilute)

  1. Having a low concentration.
    Clean the panel with a dilute, neutral cleaner.
  2. Weak; reduced in strength by dilution; diluted.
  3. Of an animal: having a lighter-coloured coat than is usual.
    a dilute calico
    a cat with a dilute tortoiseshell coat


The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Wiktionary:Entry layout#Translations.


dilute (plural dilutes)

  1. An animal having a lighter-coloured coat than is usual.
    • 2000, Joe Stahlkuppe, American Pit Bull Terrier Handbook (page 131)
      On average, blues and other dilutes have weaker coats and skin problems seem more prevalent in the dilutes.

See also[edit]





  1. vocative masculine singular of dīlūtus