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{%type%} Definitions

WordNet 3.0Copyright Princeton University


Short "hint"

n. - The iridescent internal layer of a mollusk shell.

Usage examples (36)
  • The animal then secretes a calcium substance called nacre to protect itself.
  • The inside shells of oysters and other shell-forming mollusks are covered with a shiny, lustrous substance called nacre, or mother-of-pearl.
  • Natural pearls are born quite by chance when the oyster can’t get rid of some particle inside and coats it with layer upon layer of a smooth, hard substance called nacre.
  • I'd call it Eden, if I were inclined to nacre things. for more
Tutoring comment
  • This word was used in the 2006 Scripps National Spelling Bee finals.
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