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light speed

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  1. 1. n. 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 Source: wordnet

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lightspeedconstancydefiningexactlymetersrecognizedsecondtravelsuniversalityvacuum

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light minutelight operalight penlight reactionlight reflexlight secondlight showlight signalslight sleeplight sourcelight syllablelight adaptationlight air

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