Definition of nacre in English:

nacre

noun

mass noun
  • Mother-of-pearl.

    • ‘Now, researchers have designed a synthetic material that mimics both nacre's internal architecture and its strength.’
    • ‘They're an oyster's coping mechanism - they coat the irritant with smooth, shiny nacre.’
    • ‘Back down they go for several more years, during which time the oyster instinctively surrounds the injected foreign body with nacre, so building up a beautiful pearl.’
    • ‘The oyster coats the sand grain with a silvery shiny layer called nacre.’
    • ‘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.’

Origin

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

Pronunciation

nacre

/ˈneɪkə/