What is the meaning of rest mass?

noun

  • Physics) the mass of a body as measured when the body is at rest relative to an observer, an inherent property of the body. (.
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APAWordNet. (2010). rest mass. Retrieved September 23, 2026, from http://smartdefine.org/rest_mass/definitions/1211353
ChicagoWordNet. 2010. "rest mass" http://smartdefine.org/rest_mass/definitions/1211353 (accessed September 23, 2026).
HarvardWordNet 2010, rest mass, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/rest_mass/definitions/1211353>.
MLAWordNet. "rest mass" 23 October 2010. Web. 23 September 2026. <http://smartdefine.org/rest_mass/definitions/1211353>