bleach

  1. Noun.  (uncountable) A chemical, such as sodium hypochlorite or hydrogen peroxide, or a preparation of such a chemical, used for disinfecting or whitening.
  2. Noun.  (countable) A variety of bleach.
  3. Verb.  (transitive) To treat with bleach, especially so as to whiten (fabric, paper, etc) or lighten (hair).
  4. Verb.  (intransitive, biology) (of corals) to lose color due to stress-induced expulsion of symbiotic unicellular algae.

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This entry was last updated on RefTopia from its source on 3/20/2012.