nácar
mother-of-pearl
nacre
mother-of-pearl
Nácar means mother-of-pearl and is closely related to the English scientific term nacre0, which means the same thing.
noun
- mother-of-pearlThe iridescent inner layer of certain mollusk shells; mother-of-pearl.Los botones de la camisa están hechos de nácar. // The shirt buttons are made of mother-of-pearl.