NACRE

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

The iridescent internal layer of a mollusk shell

Synonyms:

mother-of-pearl; nacre

Classified under:

Nouns denoting substances

Hypernyms ("nacre" is a kind of...):

shell (the material that forms the hard outer covering of many animals)

Derivation:

nacreous (consisting of or resembling mother-of-pearl)

Credits