Emodin
Pronunciation : Em"o*din
Part of Speech : n.
Definition : Defn: An orange-red crystalline substance, C15H10O5, obtained from the buckthorn, rhubarb, etc., and regarded as a derivative of anthraquinone; -- so called from a species of rhubarb (Rheum emodei).
(Chem.)
Source : Webster's Unabridged Dictionary, 1913