dis·​col·​or·​ation | \ (ˌ)dis-ˌkə-lə-ˈrā-shən \

Definition of discoloration

1 : the act of discoloring : the state of being discolored
2 : a discolored spot or formation : stain

Examples of discoloration in a Sentence

Recent Examples on the Web

Stainless steel grates are very attractive and have a long life, but the high heat will cause discoloration, and stainless steel is very difficult to clean. John Loecke, ELLE Decor, "Shopping Guide: Outdoor Grills," 3 Apr. 2010 Skip on the sunscreen Retinoids can make skin extra sensitive to the sun, causing sunburns or, more annoyingly, discoloration, so load up on SPF 30 or higher each morning. Chloe Metzger, Marie Claire, "What Is Retinol: The Beginner's Guide to Anti-Aging Products," 23 Aug. 2018 For one, lasers can cause scarring and permanent skin discoloration that tattoos might not (aside from doing so in the obvious ways, of course). Hannah Dylan Pasternak, SELF, "6 Things Everyone Gets Wrong About Laser Tattoo Removal," 31 Oct. 2018 According to the Mayo Clinic, the enlarged papillae can trap and be stained by a number of things that would result in the discoloration, including bacteria, tobacco, and more. Bartie Scott, Teen Vogue, "Black Hairy Tongue Is a Real Medical Diagnosis," 7 Sep. 2018 Wood Decking Zap mold, mildew, and discoloration with 30 Seconds Outdoor Cleaner ($22, Ace Hardware). Good Housekeeping, "Speed Clean Your Patio for Spring," 13 Mar. 2014 But this lightweight formula contains something called ethyl lactyl retinoate, a proprietary blend of lactic acid and retinoids, that works to slowly, gently, and effectively smooth skin and fade discoloration with continued use. Chloe Metzger, Marie Claire, "The 5 Truly Excellent Beauty Products I'm Loving This Week," 10 Oct. 2018 Retinoids are also key in terms of exfoliating the skin, collagen remodeling, and treating discoloration. Jenn Sinrich, SELF, "How Your Skin Changes in Your 30s—and What You Can Do About It," 20 July 2018 But just 3 percent of the participants had discoloration of the whites of their eyes. Rachael Rettner, Fox News, "Why did the whites of this man's eyes turn blue?," 19 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'discoloration.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of discoloration

1642, in the meaning defined at sense 1

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Statistics for discoloration

Last Updated

19 Feb 2019

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Time Traveler for discoloration

The first known use of discoloration was in 1642

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More Definitions for discoloration



English Language Learners Definition of discoloration

: the act of changing color in a bad way
: a discolored spot or area


dis·​col·​or·​a·​tion | \ dis-ˌkə-lə-ˈrā-shən \

Kids Definition of discoloration

1 : change of color
2 : a spot that is changed in color

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More from Merriam-Webster on discoloration

Rhyming Dictionary: Words that rhyme with discoloration

Spanish Central: Translation of discoloration

Nglish: Translation of discoloration for Spanish Speakers

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