English
Detailed Synonyms for speed of light in English
speed of light:
speed of light [the ~] nom
-
the speed of light
– 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 1the c; the light speed; the speed of light– 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 1