hypericism

noun
hy·​per·​i·​cism | \ -ˌsiz-əm How to pronounce hypericism (audio) \

Medical Definition of hypericism

: a severe dermatitis of domestic herbivorous animals due to photosensitivity resulting from eating Saint-John's-wort — compare fagopyrism

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“Hypericism.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/hypericism. Accessed 7 May. 2021.

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