Necrosis due to radiation; e.g., after excessive exposure to x-or gamma rays. ... See: radiation burn. ... (05 Mar 2000) ... 
(ra″de-o-nә-kro´sis) tissue destruction due to radiant energy.
Type: Term Pronunciation: rā′dē-ō-nĕ-krō′sis Definitions: 1. Necrosis due to radiation; after excessive exposure to x- or gamma rays. See: radiation burn
radionecrosis Death caused by excessive exposure to ionizing radiation (x-ray or gamma rays).