What is the meaning of light second?

noun

  • The distance light travels in a vacuum in one second; approximately 300, 000 kilometers. .
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). light second. Retrieved September 23, 2026, from http://smartdefine.org/light_second/definitions/1325477
ChicagoWordNet. 2010. "light second" http://smartdefine.org/light_second/definitions/1325477 (accessed September 23, 2026).
HarvardWordNet 2010, light second, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/light_second/definitions/1325477>.
MLAWordNet. "light second" 23 October 2010. Web. 23 September 2026. <http://smartdefine.org/light_second/definitions/1325477>