What is the meaning of mass-energy equivalence?

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
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APAWordNet. (2010). mass-energy equivalence. Retrieved October 1, 2026, from http://smartdefine.org/mass-energy_equivalence/definitions/1214484
ChicagoWordNet. 2010. "mass-energy equivalence" http://smartdefine.org/mass-energy_equivalence/definitions/1214484 (accessed October 1, 2026).
HarvardWordNet 2010, mass-energy equivalence, Smart Define, viewed 1 October, 2026, <http://smartdefine.org/mass-energy_equivalence/definitions/1214484>.
MLAWordNet. "mass-energy equivalence" 23 October 2010. Web. 1 October 2026. <http://smartdefine.org/mass-energy_equivalence/definitions/1214484>