Definition of sardonyx in English:

sardonyx

noun

  • Onyx in which white layers alternate with sard.

    • ‘Both the helmet decoration and the roundel have been identified in this way because of their compositional connections with a sardonyx cameo traceable in the fifteenth century to the collections of Pietro Barbo, and now in Naples.’
    • ‘Stones and metals fall under the rulership of planets, not signs, but through its association with Mercury, Virgo is often linked with agate, sardonyx and stones of diverse colours.’
    • ‘For example, the dragon serving as a handle to a lapis lazuli cup was borrowed from a sardonyx cup in the Louvre, embellished in about 1630 by a mount attributed to a Parisian goldsmith.’
    • ‘Early cameos are carved from hardstones such as onyx, sardonyx, or agate, while later a number of less expensive substances were used that were also easier to carve.’

Origin

Middle English: via Latin from Greek sardonux, probably from sardios ‘sardius’ + onux ‘onyx’.

Pronunciation

sardonyx

/särˈdäniks//sɑrˈdɑnɪks/