English noun: keratin | |||
1. | keratin (substance) a fibrous scleroprotein that occurs in the outer layer of the skin and in horny tissues such as hair, feathers, nails, and hooves | ||
Synonyms | ceratin | ||
Broader (hypernym) | albuminoid, scleroprotein | ||
Substance meronym | feather, hair, horn, plumage, plume | ||