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lichenification

American

[lahy-ken-uh-fi-kay-shuhn] / laɪˌkɛn ə fɪˈkeɪ ʃən /

noun

Medicine/Medical.

a leathery hardening of the skin, usually caused by chronic irritation.
a patch of skin so hardened.

Etymology

Origin of lichenification

First recorded in 1890–95; lichen + -i- + -fication

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.