noun
- Physics) the principle that a measured quantity of mass is equivalent (according to relativity theory) to a measured quantity of energy. (.
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). mass-energy equivalence. Retrieved September 27, 2026, from http://smartdefine.org/mass-energy_equivalence/definitions/1214484 |
| Chicago | WordNet. 2010. "mass-energy equivalence" http://smartdefine.org/mass-energy_equivalence/definitions/1214484 (accessed September 27, 2026). |
| Harvard | WordNet 2010, mass-energy equivalence, Smart Define, viewed 27 September, 2026, <http://smartdefine.org/mass-energy_equivalence/definitions/1214484>. |
| MLA | WordNet. "mass-energy equivalence" 23 October 2010. Web. 27 September 2026. <http://smartdefine.org/mass-energy_equivalence/definitions/1214484> |