nacreous

adjective

1. consisting of or resembling mother-of-pearl

   Pertains to

   • mother-of-pearl, nacre

2. 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”

   Synonyms

   • iridescent, opalescent, opaline, pearlescent

   Similar to

   • bright