noun
- A chalcedony with alternating black and white bands; used in making cameos. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). onyx. Retrieved September 21, 2026, from http://smartdefine.org/onyx/definitions/1249126 |
| Chicago | WordNet. 2010. "onyx" http://smartdefine.org/onyx/definitions/1249126 (accessed September 21, 2026). |
| Harvard | WordNet 2010, onyx, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/onyx/definitions/1249126>. |
| MLA | WordNet. "onyx" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/onyx/definitions/1249126> |