The Collaborative International Dictionary
Phycocyanine
Phycocyanin \Phy`co*cy"a*nin\, Phycocyanine \Phy`co*cy"a*nine\, n. [Gr. ? seaweed + E. cyanin.] A blue coloring matter found in certain alg[ae].
Wiktionary
phycocyanine
n. (alternative form of phycocyanin English)