n.
Pronunciation: ˌ h ī -p ə r- ˌ äs- ' t ō -s ə s
Function: noun
Inflected Form: plural -to · ses \ - ' t ō - ˌ s ē z \
Etymology: New Latin
Date: circa 1836
: excessive growth or thickening of bone tissue
– hy · per · os · tot · ic \ - ' tä-tik \ adjective