[os-tee-oh-rey-dee-oh-nuh-kroh-sis, -ne-]
noun Pathology.
bone tissue death induced by radiation.

osteo- + radio- + necrosis

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Medical Dictionary

osteoradionecrosis os·te·o·ra·di·o·ne·cro·sis (ŏs'tē-ō-rā'dē-ō-nə-krō'sĭs, -ně-)
Necrosis of bone caused by exposure to ionizing radiation.

The American Heritage® Stedman's Medical Dictionary
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