nacre Meaning, Definition & Usage
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noun the iridescent internal layer of a mollusk shell
mother-of-pearl.
WordNet
Na"cre noun
Etymology
F., cf. Sp.Definitions
(Zoöl.) A pearly substance which lines the interior of many shells, and is most perfect in the mother-of-pearl. Written also Seenacker andnaker .Pearl , andMother-of-pearl .