n.
Pronunciation: ˌ h ī -p ə r- ˌ ker- ə - ' t ō -s ə s
Function: noun
Inflected Form: plural -to · ses \ - ' t ō - ˌ s ē z \
Etymology: New Latin
Date: 1841
: hypertrophy of the corneous layer of the skin
– hy · per · ker · a · tot · ic \ - ' tä-tik \ adjective