protoveratrine

noun
pro·​to·​ver·​a·​trine | \ ˌprōt-ō-ˈver-ə-ˌtrēn How to pronounce protoveratrine (audio) , -trən How to pronounce protoveratrine (audio) \

Medical Definition of protoveratrine

1 : either of two toxic crystalline alkaloids obtained from hellebores of the genus Veratrum (especially V. viride of North America and V. album of Europe) and used in the treatment of hypertension

called also respectively protoveratrine A, protoveratrine B

2 : a mixture of protoveratrine A and B used to treat hypertension