Breadcrumb Home > Dictionary > Index O osteomalacia: Meaning and Definition of Find definitions for: os•te•o•ma•la•cia Pronunciation: (os"tē-ō-mu-lā'shu, -shē-u, -sē-u), [key] — n. Pathol. a condition characterized by softening of the bones with resultant pain, weakness, and bone fragility, caused by inadequate deposition of calcium or vitamin D. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: osteomalacia (Thesaurus) osteoma osteometry ✖ Related Content Daily Word Quiz: evanescent Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language