hy·per·i·cism
| \ -ˌsiz-əm
\
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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 19 Aug. 2022.
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