noun
- Matter consisting of elementary particles that are the antiparticles of those making up normal substances. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). antimatter. Retrieved September 20, 2026, from http://smartdefine.org/antimatter/definitions/1325687 |
| Chicago | WordNet. 2010. "antimatter" http://smartdefine.org/antimatter/definitions/1325687 (accessed September 20, 2026). |
| Harvard | WordNet 2010, antimatter, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/antimatter/definitions/1325687>. |
| MLA | WordNet. "antimatter" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/antimatter/definitions/1325687> |