photodermatitis

noun
pho·​to·​der·​ma·​ti·​tis | \ ˌfōt-ō-ˌdər-mə-ˈtīt-əs \
plural photodermatitises or photodermatitides\ -​ˈtit-​ə-​ˌdēz \

Medical Definition of photodermatitis

: any dermatitis caused or precipitated by exposure to light

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