hypericism hypericin • hypericum · · · Info · Definitions · Characters · · hypericism · · Text Latin · · Script 10 · · Length 5 · · Syllables Definitions · · · (noun) a severe dermatitis of herbivorous domestic animals attributable to photosensitivity from eating Saint John's wort. · · Noun Definition 1 Characters · · c latin small letter c U+0063 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 m latin small letter m U+006D p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 y latin small letter y U+0079