'Rheum emodei' definitions:
Definition of 'Rheum emodei'
- Emodin \Em"o*din\, n. (Chem.)
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).
[1913 Webster]
