Main Entry: os·te·o·po·ro·sis

Pronunciation: \ˌäs-tē-ō-pə-ˈrō-səs\

Function: noun

Inflected Form(s): plural os·te·o·po·ro·ses \-ˌsēz\

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 \-ˈrä-tik\ adjective