radiodermatitis

noun
ra·​dio·​der·​ma·​ti·​tis | \ -ˌdər-mə-ˈtīt-əs How to pronounce radiodermatitis (audio) \
plural radiodermatitises or radiodermatitides\ -​ˈtit-​ə-​ˌdēz How to pronounce radiodermatitides (audio) \

Medical Definition of radiodermatitis

: dermatitis resulting from overexposure to sources of radiant energy (as X-rays or radium)