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nacre

Line breaks: nacre
Pronunciation: /ˈneɪkə
 
/

Definition of nacre in English:

noun

[mass noun]
Mother-of-pearl.
Example sentences
  • The nacre, or mother of pearl, is the innermost layer, which is composed of thin, alternating, laminae (flakes or sheets) of calcium carbonate and an organic material.
  • The oyster coats the sand grain with a silvery shiny layer called nacre.
  • Now, researchers have designed a synthetic material that mimics both nacre's internal architecture and its strength.

Origin

late 16th century: French, from late Latin nacchara, nacara, perhaps from Arabic.

Derivatives

nacreous

1
adjective
Example sentences
  • The dorsal ligament groove is overlain dorsally and flanked laterally by the nacreous middle shell layer.
  • They suggested that this species is similar in microstructure to modern unionid bivalves, which are externally prismatic and internally nacreous.
  • The distressed surfaces, with their flinty earth tones, cobalt blues and nacreous whites, hold light like rough alabaster.

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Word of the day tenebrous
Pronunciation: ˈtɛnɪbrəs
adjective
dark; shadowy or obscure