Definitions for "Lichenification"
(lye KUN if ih KAY shun): Thickening of the epidermis. Lichenified skin looks dry and leathery, and the normal skin markings are exaggerated. Repeated rubbing and scratching can produce lichenification.
skin hardening and thickening.
a thickening and darkening of the skin, with accentuated skin markings, as a result of constant scratching.