The Collaborative International Dictionary of English v.0.48:
Anthocyanin \An`tho*cy"a*nin\, n. Same as Anthokyan. [1913 Webster]The Collaborative International Dictionary of English v.0.48:
Cyanin \Cy"a*nin\ (s?"?-n?n), n. [See Cyanic.] (Chem.) The blue coloring matter of flowers; -- called also anthokyan and anthocyanin. [1913 Webster]