nacreous

In bacteriology, applied to colonies which are of a translucent, grayish-white color with a pearly luster.

Consisting of, resembling, or pertaining to nacre or mother-of-pearl: as, a nacreous luster; a nacreous layer.

Producing or possessing nacre, as shells which have a certain luster or lustrous layer on their inner surface.

adjective

Consisting of, or resembling, nacre; pearly.

adjective

Of, or resembling nacre (mother of pearl).

adjective

Exhibiting lustrous or rainbow-like colors.

adjective

consisting of or resembling mother-of-pearl

adjective

having a play of lustrous rainbow colors