[os.te.o.po.ro.sis] n, pl -ro.ses [NL, fr. oste- + porosis rarefaction, fr. porus pore + -osis] (1846): a condition that affects esp. 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 adj
OSTEOPOROSIS
Meaning of OSTEOPOROSIS in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012