Definition of helleborin in English:

helleborin

(also helleborine)

noun

Chemistry
  • A toxic alkaloid present in several species of hellebore (genus Helleborus), especially green hellebore, H. viridis, and certain other plants.

Origin

Mid 19th century (in an earlier sense). From scientific Latin Helleborus, genus name + -in.

Pronunciation

helleborin

/hɛlɪˈbɔːrɪn//hɪˈlɛbərɪn/