(music) the distinctive property of a complex sound (a voice or noise or musical sound); "the timbre of her soprano was rich and lovely"; "the muffled tones of the broken bell summoned them to meet"
agreement in the judgment or opinion reached by a group as a whole; "the lack of consensus reflected differences in theoretical positions"; "those rights and obligations are based on an unstated consensus"
having a play of lustrous rainbow-like colors; "an iridescent oil slick"; "nacreous (or pearlescent) clouds looking like mother-of-pearl"; "a milky opalescent (or opaline) luster"