os·te·o·ma·la·cia /ˌɑstioməˈleʃ(i)ə/
  骨軟化; 骨軟化病; 骨質軟化
  os·teo·ma·la·cia /ˌɑstɪoməˈleʃ(ɪ)ə/ 名詞
  骨軟化症
  Os·te·o·ma·la·ci·a n.  Med. A disease of the bones, in which they lose their earthy material, and become soft, flexible, and distorted.  Also called malacia.
  ◄ ►
  osteomalacia
       n : abnormal softening of bones caused by deficiencies of
           phosphorus or calcium or vitamin D