helleborein
/hɛlɪˈbɔːrɪɪn/Chemistry. Now rare
noun
A toxic alkaloid present in several species of hellebore (genus Helleborus), especially black hellebore, H. niger.
- Helleborein is a cardiac glycoside. Formula: C37H56O18..
Origin
Late 19th century; earliest use found in Henry Watts (1815–1884), chemist. From German Helleborëin from scientific Latin Helleborus, genus name + German -ëin.