pigmentation

noun

pig·​men·​ta·​tion ˌpig-mən-ˈtā-shən How to pronounce pigmentation (audio)
-ˌmen-
1
: coloration with pigment : the deposition or presence of pigment
… exposure to high levels of UV light increases pigmentation and reduces skin elasticity …Lina Cekaite and Hanne Groegaard
The genetically blue lobsters get their color by inheriting two recessive genes for the pigmentation of their shells …Leslie Gourse
At some point during the third trimester of pregnancy, a mysterious dark line appears on the belly. Not to worry, it's just a case of excess pigmentation.Shawn Doherty
2
: pigment
Fine pigmentation for use in airbrush … (when properly thinned).advertisement in The Artist's Magazine

Examples of pigmentation in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Bauer has vitiligo, an uncommon skin condition among humans and animals that causes skin to lose its natural pigmentation. Alyce Collins, MSNBC Newsweek, 4 July 2025 Similar to Rare’s original Soft Pinch Liquid Blush, Bouncy Blush has jaw-dropping pigmentation with a matte finish. The Glamour Editors, Glamour, 12 June 2025 Keeping the area clean, moisturized, and protected from the sun helps prevent complications like scarring or pigmentation changes. Marie Lodi, Allure, 1 June 2025 The scientists found that in orange cats' melanocytes – the pigmentation cells – the gene ARHGAP36 was more active, and all had the missing piece of code. New Atlas, 24 May 2025 See All Example Sentences for pigmentation

Word History

First Known Use

1867, in the meaning defined at sense 1

Time Traveler
The first known use of pigmentation was in 1867

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Cite this Entry

“Pigmentation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pigmentation. Accessed 19 Jul. 2025.

Kids Definition

pigmentation

noun
pig·​men·​ta·​tion ˌpig-mən-ˈtā-shən How to pronounce pigmentation (audio)
-ˌmen-
: a coloring with pigment
especially : an amount of bodily pigment that is greater than normal

Medical Definition

pigmentation

noun
pig·​men·​ta·​tion ˌpig-mən-ˈtā-shən, -ˌmen- How to pronounce pigmentation (audio)
: coloration with pigment : the deposition or presence of pigment
Increased skin pigmentation, reflecting high concentrations of circulating corticotropin, may be present in patients with long-standing adrenal disease …Mark S. Cooper et al., The New England Journal of Medicine
When applied topically, minoxidil stimulates thickening and pigmentation of the fine vellus hairs on a proportion of the scalps of bald men.Samuel M. Lesko et al., The Journal of the American Medical Association
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