1.
[syn: iridescent, nacreous, opalescent, opaline, pearlescent]
The Collaborative International Dictionary of English v.0.48:
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]
WordNet (r) 3.0 (2006):
pearlescent
adj 1: 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]