keratin

noun
🔊/ˈkerətɪn/
🔊/ˈkerətɪn/
[uncountable] (biology生物)
jump to other results
  1. a protein that forms hair, feathers, horns, hoofs, etc.(发、羽、角、蹄等的)角蛋白
    Word Originmid 19th cent.: from Greek keras, kerat- ‘horn’ + -in.