actinodermatitis
noun
ac·ti·no·der·ma·ti·tis
| \ -ˌdər-mə-ˈtīt-əs
\
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plural actinodermatitises
or actinodermatitides\ -ˈtit-ə-ˌdēz
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\
Medical Definition of actinodermatitis
: dermatitis resulting from exposure to sunlight, X-rays, or radiation from radium