1. Consisting of or resembling mother-of-pearl 
2. Having a play of lustrous rainbow colours
   "nacreous clouds looking like mother-of-pearl"
   - iridescent, opalescent, opaline, pearlescent

See also: bright, nacre

• subclass Arecidae
• subclass Asteridae
• subclass Branchiopoda
• subclass Caryophyllidae
• subclass Cirripedia
• subclass Cnidosporidia
• subclass Commelinidae
• subclass Copepoda
• subclass Crossopterygii
• subclass Diapsida
• subclass Dibranchia
• subclass Dibranchiata
• subclass Dilleniidae
• subclass Dipnoi
• subclass Discomycetes
• subclass Elasmobranchii
• subclass Entomostraca
• subclass Euascomycetes
• subclass Euryalida
• subclass Eutheria
• subclass Exopterygota
• subclass Hamamelidae
• subclass Heterobasidiomycetes
• homebound
• homeboy