Malacia

n. (Pathology) softening of an organ or tissue; abnormal craving for certain foods

Malacia can also refer to a Force power in the Star Wars Expanded Universe which induced a feeling of nausea and disease in its victim. -malacia is a combining form (especially a suffix) used in medical terminology to denote an abnormal "softening of the tissues".Osteomalacia (Rickets)Chondromalacia patellae - degenerative cartilage disease
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Malacia /ma·la·cia/ morbid softening or softness of a part or tissue. ma·la·cia n. A softening or loss of consistency in any of the organs or [more]Malacia - Community and Resources

Noun
1. a state of abnormal softening of tissue
(hypernym) pathology
(hyponym) osteomalacia

Means softening. Osteomalacia is thus softening of bone (due to deficiency of calcium and vitamin D).