hy·per·i·cism -.siz-əm n a severe dermatitis of domestic herbivorous animals due to photosensitivity resulting from eating Saint-John's-wort compare FAGOPYRISM

Medical dictionary. 2011.

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  • hypericism — hy·per·i·cism …   English syllables

  • hypericism — noun a severe dermatitis of herbivorous domestic animals attributable to photosensitivity from eating Saint John s wort • Hypernyms: ↑dermatitis * * * ˌsizəm noun ( s) Etymology: New Latin Hypericum, genus that causes it + English ism : a severe …   Useful english dictionary

  • fagopyrism — fag·o·py·rism .fag ō pī .riz əm also fag·o·py·ris·mus .pī riz məs n, pl risms also ris·mus·es a photosensitization esp. of swine and sheep that is due to eating large quantities of buckwheat (esp. Fagopyrum esculentum of the family Polygonaceae)… …   Medical dictionary

  • hypericin — hy·per·i·cin hī per ə sən n a violet crystalline pigment C30H16O8 from Saint John s wort that has a red fluorescence and causes hypericism …   Medical dictionary

  • Saint-John's-wort — jänz .wərt, .wȯ(ə)rt n 1) any of a genus (Hypericum of the family Guttiferae, the Saint John s wort family) of herbs and shrubs with showy yellow flowers esp one (H. perforatum) of dry soil, roadsides, pastures, and ranges that contains a… …   Medical dictionary

  • hypericin — hīˈperəsə̇n noun ( s) Etymology: International Scientific Vocabulary hyperic (from New Latin Hypericum, genus that produces it) + in : a violet crystalline pigment C30H16O8 from St. John s wort that has a red fluorescence and causes hypericism …   Useful english dictionary

  • photosensitization — “+ noun Etymology: phot + sensitization 1. : the process of photosensitizing 2. : the condition of a cell, tissue, or organism acted upon by a substance (as a dyestuff) that renders it sensitive to a particular region of the spectrum to which it… …   Useful english dictionary

  • saint-john's-wort — (|) ̷ ̷ˈ ̷ ̷| ̷ ̷ noun Usage: usually capitalized S&J Etymology: after St. John the Baptist: from its being gathered on St. John s eve to be used to ward off evil spirits and as a medicinal herb : a plant of the genus Hypericum see hypericism,… …   Useful english dictionary

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