Adjective: nacreous ney-kree-us
- Consisting of or resembling mother-of-pearl
"The nacreous interior of the shell shimmered with iridescent colours"
- Having a play of lustrous rainbow colours
"nacreous clouds looking like mother-of-pearl";
- iridescent, opalescent, opaline, pearlescent
See also: bright
Encyclopedia: Nacreous