Simple Definition of melanin

from our Learner's Dictionary

melanin

noun

ˈmɛlənən How to pronounce melanin (audio)
: a dark brown or black substance that is a natural part of people's skin, hair, and eyes

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“Melanin.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/melanin. Accessed 16 Apr. 2026.

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