noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A disorder of the cells lining the inside of a hair follicle, where the normal desquamation process is interrupted by an excess of keratin, causing dead skin cells to bond together and cause blockage. countable, uncountable

Etymology

From hyper- + keratinization.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.