'pearlescent' definitions:

Definition of 'pearlescent'

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]

Definition of 'pearlescent'

From: GCIDE
  • pearlescent \pearl*es"cent\ (p[~e]r*l[e^]s"ent) adj.
  • 1. Having an iridescent pearl-like surface, giving a play of lustrous rainbowlike colors; nacreous; pearlaceous.
  • Syn: iridescent, nacreous, opalescent, opaline, pearlaceous. [WordNet 1.5]