from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Alternative form of helleborin.

from the GNU version of the Collaborative International Dictionary of English

  • n. A poisonous glucoside accompanying helleborin in several species of hellebore, and extracted as a white crystalline substance with a bittersweet taste. It has a strong action on the heart, resembling digitalin.

from The Century Dictionary and Cyclopedia

  • n. A colorless glucoside, C26H44O15, the most important constituent of black and green hellebore-roots (Helleborus niger, H. viridis, and H. fœtidus). It crystallizes in nodules which carbonize at 280° C., has a sweet taste, and is poisonous. Helleborin, C36H42O6 (?), occurs with it. It is a powerful intestinal irritant and is used in veterinary medicine.


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