[ he-leb-uh-rin, hel-uh-bawr-in, -bohr- ]
/ hɛˈlɛb ə rɪn, ˈhɛl əˌbɔr ɪn, -ˌboʊr- /
a colorless, crystalline, water-insoluble, poisonous solid, C28H36O6, obtained from the rhizome and root of certain hellebores, and used in medicine chiefly as a purgative.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for helleborin
By boiling with zinc chloride, helleborin splits up into sugar and a resin—helleboresin.Poisons: Their Effects and Detection|Alexander Wynter Blyth