the world > health and disease > ill health > a disease > diseases of tissue > disorders of bones > [noun] > hardening (3)
Abnormal hardening or thickening of bone; increased radiodensity of bone.
(a) (chiefly in plural) = marble bone disease n.; (b) a bone affected by osteopetrosis.
Any of a group of inherited disorders (in humans and other mammals) characterized by thickening of the bones due to defective bone resorption by…