n.
Pronunciation: ˌ äs-t ē - ō -p ə - ' r ō -s ə s
Function: noun
Inflected Form: plural -ro · ses \ - ˌ s ē z \
Etymology: New Latin, from oste- + porosis rarefaction, from porus pore + -osis
Date: 1846
: a condition that affects especially older women and is characterized by decrease in bone mass with decreased density and enlargement of bone spaces producing porosity and fragility
– os · te · o · po · rot · ic \ - ' rä-tik \ adjective