noun
- A stable quark with an electric charge of -1/3 and a mass 607 times that of an electron. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). down quark. Retrieved September 21, 2026, from http://smartdefine.org/down_quark/definitions/1226811 |
| Chicago | WordNet. 2010. "down quark" http://smartdefine.org/down_quark/definitions/1226811 (accessed September 21, 2026). |
| Harvard | WordNet 2010, down quark, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/down_quark/definitions/1226811>. |
| MLA | WordNet. "down quark" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/down_quark/definitions/1226811> |