an inflammation of the skin produced by exposure to X-rays or other ionizing radiations
A cutaneous inflammatory reaction occurring as a result of exposure to ionizing radiation. ... (12 Dec 1998) ... 
(ra″de-o-dur″mә-ti´tis) a cutaneous inflammatory reaction to exposure to biologically effective levels of ionizing radiation; x-ray dermatitis.
Type: Term Pronunciation: rā′dē-ō-der-mă-tī′tis Definitions: 1. Dermatitis due to exposure to x-rays or gamma rays causing ionization of tissue water with acute changes resembling thermal injury.