WordReference Random House Unabridged Dictionary of American English © 2026
os•te•o•scle•ro•sis
(os′tē ō skli rō′sis),USA pronunciation n. [Pathol.]
os•te•o•scle•rot•ic
(os′tē ō skli rot′ik),USA pronunciation adj.
- Pathologyabnormal hardening and increase in density of bone.
- 1855–60; osteo- + sclerosis