ˌbəlbōˈkapˌnēn, -pnə̇n noun
Etymology: International Scientific Vocabulary bulbocapn- (from New Latin Bulbocapnos, in some especially former classifications a genus of herbs now included in the genus Corydalis, from a species of which it was extracted, from bulb- + Greek kapnos smoke) + -ine — more at covet
: a crystalline alkaloid C 19 H 19 NO 4 that induces catalepsy and that is obtained from the roots of plants of the genus Corydalis and from squirrel corn