osteomalacia Meaning, Definition & Usage

  1. noun abnormal softening of bones caused by deficiencies of phosphorus or calcium or vitamin D

WordNet

Os`te*o*ma*la"ci*a noun
Etymology
NL., fr. Gr. bone + softness.
Definitions
  1. (Med.) A disease of the bones, in which they lose their earthy material, and become soft, flexible, and distorted. Also called malacia.

Webster 1913