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
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.
Melanoma is a type of skin cancer that develops when melanocytes grow uncontrollably. Emily Kay Votruba, EverydayHealth.com, 12 Dec. 2025 The team studied melanocyte stem cells, the cells that give hair and skin their color, using mouse models and tissue samples. Khloe Quill, FOXNews.com, 22 Oct. 2025 Friedman says the body's inflammatory response — meant to heal the wound — can also damage pigment cells in the skin, known as melanocytes. Andrea Muraskin, NPR, 23 Aug. 2025 When your skin is exposed to triggers like UV light or heat, those melanocytes begin to produce more pigment, resulting in dark patches on the skin. Leslie Baumann, Miami Herald, 20 Mar. 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 7 Jul. 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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