noun
- An unstable negatively charged proton; the antiparticle of a proton. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). antiproton. Retrieved September 21, 2026, from http://smartdefine.org/antiproton/definitions/1226572 |
| Chicago | WordNet. 2010. "antiproton" http://smartdefine.org/antiproton/definitions/1226572 (accessed September 21, 2026). |
| Harvard | WordNet 2010, antiproton, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/antiproton/definitions/1226572>. |
| MLA | WordNet. "antiproton" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/antiproton/definitions/1226572> |