onyx

/หˆษ’nษชks/

IPA: /AA1 N IH0 K S/

noun
  1. 1

    A banded variety of chalcedony, a cryptocrystalline form of quartz.

  2. 2

    A jet-black color, named after the gemstone.

  3. 3

    Any of various lycaenid butterflies of the genus Horaga.

adjective
  1. 1

    Jet-black

Source: https://en.wiktionary.org/wiki/onyx