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A Writer's Dictionary:

keratin Definition


Dictionary Home » Words Starting with K » keep someone on a string ... keratinous » keratin


keratin
noun
    1. biochem.
      A tough fibrous protein produced by the epidermis in vertebrates, and forming the main component of hair, nails, claws, horns, feathers and the dead outer layers of skin cells.
Derivative: keratinous
adj
    Etymology: 19c.



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