Betekenis van keratinous In het Nederlands

• 0 containing or made from keratin (= a strong natural protein, the main substance that forms hair, nails, horns, feathers, etc.):

  • The nail is a flat, keratinous, translucent structure.

  • All cephalopods such as octopus possess a sharp beak, made of the same keratinous material as a bird's beak.