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Keratin Definition & Meaning

keratin
noun
  1. a fibrous scleroprotein that occurs in the outer layer of the skin and in horny tissues such as hair, feathers, nails, and hooves

"Keratin" in song lyrics

See how keratin is used in real songs:

  • "definition of keratin"
    AOL — AOL
  • "hair keratin"
    AOL — AOL

Usage tips for "keratin"

Understanding the precise definition of a word helps you use it with confidence. When using "keratin" in your writing, consider whether you need the word itself or one of its synonyms — subtle differences in meaning can change the tone of a sentence. If you're writing poetry or song lyrics, check the rhymes for keratin to find words that pair well.

Use "keratin" in a verse

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Frequently asked questions

What does keratin mean?
a fibrous scleroprotein that occurs in the outer layer of the skin and in horny tissues such as hair, feathers, nails, and hooves
What part of speech is keratin?
Keratin is a noun.

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