erythric
Webster's Dictionary (GCIDE)
Erythric \E*ryth"ric\, a. (Chem.) Pertaining to, derived from, or resembling, erythrin. Erythrin
Erythrin \E*ryth"rin\, Erythrine \E*ryth"rine\, n. [Gr. 'eryqro`s 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. [1913 Webster]
2.(Min.) See Erythrite, 2. [1913 Webster]