phycocyanin

[ fahy-koh-sahy-uh-nin ]
/ ˌfaɪ koʊˈsaɪ ə nɪn /

noun Biochemistry.

a blue protein pigment, found in algae, involved in the process of photosynthesis.

Origin of phycocyanin

First recorded in 1870–75; phyco- + cyan-1 + -in2