adjective
- Having threefold symmetry.
- synonyms: rhombohedral
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). trigonal. Retrieved September 20, 2026, from http://smartdefine.org/trigonal/definitions/1185751 |
| Chicago | WordNet. 2010. "trigonal" http://smartdefine.org/trigonal/definitions/1185751 (accessed September 20, 2026). |
| Harvard | WordNet 2010, trigonal, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/trigonal/definitions/1185751>. |
| MLA | WordNet. "trigonal" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/trigonal/definitions/1185751> |