Definition of chatoyant in English:

chatoyant

adjective

  • (of a gem, especially when cut en cabochon) showing a band of bright reflected light caused by aligned inclusions in the stone.

    • ‘The future availability of chatoyant demantoid in not known.’
    • ‘Cuts must be exactly parallel to the length of the fibers to get the full chatoyant effect.’
    • ‘Unlike most chatoyant malachite, this material is hard and doesn't fall apart when worked.’

Origin

Late 18th century: French, present participle of chatoyer ‘to shimmer’.

Pronunciation

chatoyant

/SHəˈtoiənt/