Keratin is a 7 letter English word. It's valid Scrabble word worth 11 points. It's valid Words with friends word worth 12 points.
You can make 248 anagrams from letters in keratin (aeiknrt).
First recorded in 1840-50; kerat- + -in2
Rhino horns are made of keratin, the same protein found in our fingernails.
keratin is particularly rich in sulphur, and is quite insoluble in cold water.
keratin, a substance forming the chief constituent in the hair, nails, and horn of animals.