melanophore

noun

me·​la·​no·​phore mə-ˈla-nə-ˌfȯr How to pronounce melanophore (audio)
ˈme-lə-nə-
plural melanophores
: a melanin-containing chromatophore cell especially of fishes, amphibians, and reptiles that is similar to a mammalian melanocyte
Fishes rely on melanins. These compounds, ranging in color from brown to black, are produced in tiny granules called melanosomes; these granules move around within large branching cells called melanophores.—Joe Levine

Examples of melanophore in a Sentence

Recent Examples on the Web
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In this period, glass eels lack color-producing cells such as chromatophores and melanophores, says George Burgess, an ichthyologist at the Florida Museum of Natural History. — Liz Langley, National Geographic, 25 Mar. 2017

Word History

Etymology

borrowed from German Melanophor, from melano- melano- + -phor -phore

First Known Use

1903, in the meaning defined above

Time Traveler
The first known use of melanophore was in 1903

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Cite this Entry

“Melanophore.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/melanophore. Accessed 25 Sep. 2026.

Medical Definition

: a melanin-containing chromatophore especially of fishes, amphibians, and reptiles that is similar to a mammalian melanocyte

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