discoloration

noun

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

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

Niacinamide — a multi-functional ingredient that strengthens the skin barrier, regulates oil production, and calms and fades discoloration — is also in the mix. — Claudia Fisher, PEOPLE, 29 Aug. 2026

In addition to discoloration and slow growth, high blood sugar can also cause nails to become brittle. — Mira Miller, Verywell Health, 27 Aug. 2026

If discoloration appears only when using hot water (not cold), the issue almost certainly lies within the water heater. — Jamie Cuccinelli, Martha Stewart, 24 Aug. 2026

That’s because acidic foods such as tomatoes and oranges may react with aluminum foil, causing a metallic taste or slight discoloration, but don’t worry. — Bianca Lambert, Southern Living, 23 Aug. 2026

Word History

First Known Use

1545, in the meaning defined at sense 1

Rhymes for discoloration

• abbreviation
• abomination
• acceleration
• accentuation
• accommodation
• accreditation
• acculturation
• accumulation
• acetylation
• adjudication
• administration
• adulteration