pigmentation

noun

pig·​men·​ta·​tion ˌpig-mən-ˈtā-shən 

-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

Her pores felt ultra clean, and her complexion appeared brighter and more even (shoutout to pigmentation-reducing niacinamide). —Esme Benjamin, PEOPLE, 4 Sep. 2025

Changes in your skin's pigmentation is another potential risk with laser therapy. —Sherri Gordon, Health, 27 Aug. 2025

Albinism in dolphins is caused by a genetic mutation affecting the production of melanin, which creates a lack of pigmentation. —Escher Walcott, People.com, 25 Aug. 2025

Could the pigmentation be the result of a spontaneous genetic mutation affecting pigment-producing cells, or might it be inherited through a recessive trait that only rarely appears? —Melissa Cristina Márquez, Forbes.com, 12 Aug. 2025

Word History

First Known Use

1867, in the meaning defined at sense 1

Rhymes for pigmentation

• abdication
• aberration
• abjuration
• abnegation
• abrogation
• acceptation
• acclamation
• acclimation
• accusation
• activation
• actuation
• acylation

Kids Definition

pigmentation

noun

pig·​men·​ta·​tion ˌpig-mən-ˈtā-shən 

-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- 

: 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