E*ryth"rin, E*ryth"rine (?), n. [Gr. red.]
1. Chem.
A colorless crystalline substance, C20H22O10, extracted from certain lichens, as the various species of Rocella. It is a derivative of orsellinic acid. So called because of certain red compounds derived from it. Called also erythric acid.
2. Min.
See Erythrite, 2.
© Webster 1913.