hy·​per·​i·​cism -ˌsiz-əm How to pronounce hypericism (audio)
: a severe dermatitis of domestic herbivorous animals due to photosensitivity resulting from eating Saint-John's-wort compare fagopyrism

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Cite this Entry

“Hypericism.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/hypericism. Accessed 4 Dec. 2023.

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