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[dis-kuhl-uh-rey-shuh n] /dɪsˌkʌl əˈreɪ ʃən/
the act or fact of discoloring or the state of being discolored.
a discolored marking or area; stain.
Also called discolorment.
Origin of discoloration
1635-45; discolor + -ation
Related forms
self-discoloration, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for discoloration
  • Some signs to look for include discoloration, pinholes and small tears in wrappers.
  • The fish showed discoloration in the form of depigmentation and the beginnings of deformation of fins.
  • Tetracycline is effective, but this medicine has unique side effects, including tooth discoloration in children.
  • However, there may be some slight discoloration or puckering of the skin where a strawberry hemangioma was.
  • The skin of many of the dead was mummified with dark discoloration, and exposed muscles were cooked rather than desiccated.
  • The side effects of tetracyclines include skin reactions to sunlight, burning in the throat, and tooth discoloration.
  • Cover the floor of a plate with the apple slices and sprinkle them lightly with the lemon juice to prevent discoloration.
Word Origin and History for discoloration

1640s, noun of action from discolorate (early 15c.), from past participle stem of Medieval Latin discolorare (see discolor) + -ation.

Online Etymology Dictionary, © 2010 Douglas Harper
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