Dictionary
moth•er-of-pearl
Pronunciation: (mu&thslash;'ur-uv-pûrl'), [key]—
n.
a hard, iridescent substance that forms the inner layer of certain mollusk shells, used for making buttons, beads, etc.; nacre.
—
adj.
of or having the qualities of mother-of-pearl, as being iridescent or pearly:
mother-of-pearl buttons. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.