Definition of keratin

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  • keratin is a valid Scrabble US word with a point value of 11
  • keratin is a valid Scrabble UK word with a point value of 11
  • keratin is a valid Words with friends word with a point value of 12

Definition of keratin

  • a fibrous scleroprotein that occurs in the outer layer of the skin and in horny tissues such as hair, feathers, nails, and hooves (noun)

    Synonyms

    1. ceratin

See definition of keratin in Merriam Webster