Home › Words › P › phycobiliproteinphycobiliproteinphycobiliprotein means any of a class of water-soluble proteins, present in cyanobacteria and certain algae, that capture light energy which is then passed on to chlorophylls during photosynthesis; the most important constituents of the phycobilisomes.Among words judged in Lexicurio's Arena, phycobiliprotein ranks #16,734 of 42,752 for Qualifying.EtymologyPhyco- (seaweed) + bili-? (bile) + proteinnounAny of a class of water-soluble proteins, present in cyanobacteria and certain algae, that capture light energy which is then passed on to chlorophylls during photosynthesis; the most important constituents of the phycobilisomes.Definitions & examples from Wiktionary (CC BY-SA 3.0).