Home › Words › P › photocomplexphotocomplexphotocomplex · noun — A photosystem.Definition from Wiktionary (CC BY-SA 3.0).Among words judged in Lexicurio's Arena, photocomplex ranks #36,416 of 42,854 for Qualifying.EtymologyFrom photo- + complex.nounA photosystem.Definitions & examples from Wiktionary (CC BY-SA 3.0).