kyano-var.f. cyano-: kyanophyll|kaɪˈænəʊfɪl|, Bot. and Chem.[Gr. ϕύλλον leaf], Kraus's name for a blue-green substance, supposed to be a constituent of chlorophyll.1885Gray Physiol.Bot. 291 According to Wiesner kyanophyll is nearly pure chlorophyll freed from its associated yellow pigment xanthophyll.