from The American Heritage® Dictionary of the English Language, 4th Edition

  • intransitive v. To produce keratin or become like keratin.
  • transitive v. To convert (something) into keratin.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. To convert into keratin
  • v. To take on the appearance of keratin, or become impregnated with keratin

from The Century Dictionary and Cyclopedia

  • Same as ceratinize.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • v. become horny and impregnated with keratin
  • v. convert into keratin


Sorry, no etymologies found.


  • [1] As the cells in the three regions begin to keratinize and harden, they are integrated into the dead (keratinized) portion of the hair fiber; new hair cells in the hair bulb region push the dead shaft upwards towards the skin's surface.

    CreationWiki - Recent changes [en]


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