What is the meaning of speed of light?

noun

  • The speed at which light travels in a vacuum; the constancy and universality of the speed of light is recognized by defining it to be exactly 299, 792, 458 meters per second.
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). speed of light. Retrieved September 20, 2026, from http://smartdefine.org/speed_of_light/definitions/1250416
ChicagoWordNet. 2010. "speed of light" http://smartdefine.org/speed_of_light/definitions/1250416 (accessed September 20, 2026).
HarvardWordNet 2010, speed of light, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/speed_of_light/definitions/1250416>.
MLAWordNet. "speed of light" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/speed_of_light/definitions/1250416>