'opalescent' definitions:

Definition of 'opalescent'

(from WordNet)
adjective
Having a play of lustrous rainbow colors; "an iridescent oil slick"; "nacreous (or pearlescent) clouds looking like mother-of-pearl"; "a milky opalescent (or opaline) luster" [syn: iridescent, nacreous, opalescent, opaline, pearlescent]

Synonyms of 'opalescent'

From: Moby Thesaurus

Words containing 'opalescent'