What is the meaning of relativistic mass?

noun

  • Physics) the mass of a body in motion relative to the observer: it is equal to the rest mass multiplied by a factor that is greater than 1 and that increases as the magnitude of the velocity increases. (.
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APAWordNet. (2010). relativistic mass. Retrieved September 23, 2026, from http://smartdefine.org/relativistic_mass/definitions/1323310
ChicagoWordNet. 2010. "relativistic mass" http://smartdefine.org/relativistic_mass/definitions/1323310 (accessed September 23, 2026).
HarvardWordNet 2010, relativistic mass, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/relativistic_mass/definitions/1323310>.
MLAWordNet. "relativistic mass" 23 October 2010. Web. 23 September 2026. <http://smartdefine.org/relativistic_mass/definitions/1323310>