KERATINS
Scrabble letter values: K5E1R1A1T1I1N1S1 = 12
Definition
KERATINS is the plural of KERATIN.
noun KERATIN: a fibrous scleroprotein that occurs in the outer layer of the skin and in horny tissues such as hair, feathers, nails, and hooves.
Synonyms of KERATIN: ceratin