melanin

noun mel·a·nin \ ˈme-lə-nən \
Updated on: 13 May 2018

Definition of melanin

: any of various black, dark brown, reddish-brown, or yellow pigments of animal or plant structures (such as skin or hair)

Recent Examples of melanin from the Web

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First Known Use of melanin

1843

in the meaning defined above

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MELANIN Defined for English Language Learners

melanin

Definition of melanin for English Language Learners

  • : a dark brown or black substance that is a natural part of people's skin, hair, and eyes


Medical Dictionary

melanin

noun mel·a·nin \ ˈmel-ə-nən \

medical Definition of melanin

: any of various black, dark brown, reddish brown, or yellow pigments of animal or plant structures (as skin, hair, the choroid, or a raw potato when exposed to air); especially : any of numerous animal pigments that are essentially polymeric derivatives of indole formed by enzymatic modification of tyrosine

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