1. Cyanin, anthocyan, Anthokyan, water-soluble pigment ranging from red to blue to purple shades that provide the color in certain flowers and fruits (red, blue and purple tints in apples, berries, red grapes, eggplant, red cabbage and radishes)

2. Thomson's Chemistry of Inorganic Bodies, and it now functions in the names of various chemicals and chemical processes.Thus cyanin is the name of "the blue coloring matter of flowers; —called also Anthokyan and anthocyanin"; cyanogen is "a colorless