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 protoveratrine A, protoveratrine B
2: a mixture of protoveratrine A and B used to treat hypertension
Seen and Heard
What made you want to look up protoveratrine? Please tell us where you read or heard it (including the quote, if possible).