photodermatitis
noun
pho·to·der·ma·ti·tis
ˌfōt-ō-ˌdər-mə-ˈtīt-əs 
plural photodermatitises or photodermatitides
-ˈtit-ə-ˌdēz
: any dermatitis caused or precipitated by exposure to light
Cite this Entry
“Photodermatitis.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/photodermatitis. Accessed 3 Nov. 2025.
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