ˌfagōˈpīˌrizəm noun
also fag·o·py·ris·mus -ˌpīˈrizməs
( plural fagopyrisms also fagopyris·muses )
Etymology: German fagopyrismus, from New Latin Fagopyrum + German -ismus -ism
: a photosensitization especially of swine and sheep that is due to eating large quantities of buckwheat and that appears principally on the nonpigmented parts of the skin as an intense redness and swelling with severe itching and the formation of vesicles and later sores and scabs — compare bighead 1 b, hypericism