Keratin Definition

kĕrə-tĭn
noun
A tough, fibrous, insoluble protein forming the principal matter of hair, nails, horn, etc.
Webster's New World
Material composed principally of keratin proteins.
American Heritage Medicine
Synonyms:
  • ceratin

Other Word Forms of Keratin

Noun

Singular:
keratin
Plural:
keratins

Origin of Keratin

  • Greek keras kerāt- horn ker-1 in Indo-European roots –in

    From American Heritage Dictionary of the English Language, 5th Edition

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