E*ryth"rin, E*ryth"rine (?), n. [Gr. red.]
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.
See Erythrite, 2.
© Webster 1913.