Share this entry

Share this page

melanin

Syllabification: mel·a·nin
Pronunciation: /ˈmelənən
 
/

Definition of melanin in English:

noun

A dark brown to black pigment occurring in the hair, skin, and iris of the eye in people and animals. It is responsible for tanning of skin exposed to sunlight.
Example sentences
  • The body normally converts the amino acid tyrosine into the pigment melanin.
  • One theory focuses on the fact that people with red hair have a different type of melanin (a skin pigment) than people with dark hair.
  • The melanosomes convert tyrosine to melanin, giving skin its color.

Origin

mid 19th century: from Greek melas, melan- 'black' + -in1.

Words that rhyme with melanin

Bakuninrun-insantonin

Definition of melanin in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day cumbersome
Pronunciation: ˈkəmbərsəm
adjective
large or heavy and therefore difficult to carry…