noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The condition of having keratin growing on the skin. countable, uncountable
2. 2
   a skin condition marked by an overgrowth of layers of horny skin wordnet

Etymology

From kerat- + -osis.

Related phrases

actinic keratosiskeratosis obturanskeratosis palmoplantaris areatakeratosis pilarisseborrheic keratosisactinic keratosiskeratosis pilarisseborrheic keratosis

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