from The American Heritage® Dictionary of the English Language, 4th Edition
- intransitive v. To undergo cornification.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To convert or be converted into horn or a similar substance
from The Century Dictionary and Cyclopedia
- To make or convert into horn; cause to resemble horn.
corn + -ify, from Latin cornu ("horn") (Wiktionary)
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