melanocyte

noun

me·​la·​no·​cyte mə-ˈla-nə-ˌsīt How to pronounce melanocyte (audio)
ˈme-lə-nō-
plural melanocytes
: a cell (as of the skin, eye, or hair follicle) that produces melanin
an epidermal melanocyte
The choroid also contains numerous pigment-producing melanocytes that give it a brownish black appearance.John Hole
Melanocytes, the body's pigment cells, generally do good, not harm. They give our skin its natural color and, when struck by the sun, churn out additional pigment (or melanin) to darken and protect us.Claudia Kalb
The number of Americans diagnosed with melanoma, a cancer of the melanocytes, or pigmented cells of the skin, has increased steadily for decades.Gina Kolata
see melanosome compare melanophore

Examples of melanocyte in a Sentence

Recent Examples on the Web
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Among the deadliest forms of skin cancer, melanoma starts in melanocytes, the cells that give the skin its color. Megan Cerullo, CBS News, 19 Aug. 2026 These peptides activate melanocytes, the cells that produce melanin, the pigment that gives skin its color. Lindsay Curtis, Verywell Health, 11 Aug. 2026 His team examined the DNA sequences of melanocytes, skin cells that can turn into moles, melanoma or other cancers. Jaimie Ding, Los Angeles Times, 4 Aug. 2026 After making melanin, the melanocytes put it into packages called melanosomes, which are then transferred into the skin cells. Sierra Leone Starks, Allure, 16 July 2026 See All Example Sentences for melanocyte

Word History

Etymology

melano- + -cyte

First Known Use

circa 1890, in the meaning defined above

Time Traveler
The first known use of melanocyte was circa 1890

Cite this Entry

“Melanocyte.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/melanocyte. Accessed 21 Aug. 2026.

Kids Definition

melanocyte

noun
me·​la·​no·​cyte mə-ˈlan-ə-ˌsīt How to pronounce melanocyte (audio)
ˈmel-ə-nō-
: a body cell (as in the skin) that produces or contains melanin

Medical Definition

: a cell (as of the skin, eye, or hair follicle) that produces melanin see melansome compare melanophore

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