[ hel-uh-bawr-ee-in, -bohr- ]
/ ˌhɛl əˈbɔr i ɪn, -ˈboʊr- /
a yellow, crystalline, water-soluble, poisonous solid, C37H56O18, obtained from the rhizome and root of certain hellebores, and used in medicine chiefly as a heart stimulant.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for helleborein
Helleborein splits by the action of mineral acids into sugar and amorphous helleboretin.Poisons: Their Effects and Detection|Alexander Wynter Blyth