We're working on a new site. Click here to get a sneak preview.
Medical Dictionary


noun os·teo·pe·nia \ˌäs-tē-ō-ˈpē-nē-ə\

Medical Definition of OSTEOPENIA

:  reduction in bone volume to below normal levels especially due to inadequate replacement of bone lost to normal lysis
os·teo·pe·nic \-nik\ adjective


How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears