1. resembling or containing nacre; having a lustrous, iridescent quality like mother-of-pearl

Examples

• The nacreous interior of the oyster shell gleamed in the light.
• She wore a nacreous pendant that shifted colors as she moved.
• The nacreous clouds at sunset created a breathtaking display.
• The artist used nacreous paint to give the mural a shimmering effect.
• The nacreous surface of the abalone shell is highly prized by jewelers.