light speed

Noun

Meaning

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

Alternative names

light-speed

Synonyms

c speed of light speed velocity warp speed speed of sound lightning speed at the speed of light slight speed at light speed at lightning speed at the speed of sound for lightspeed falling speed lighter speed
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Hypernyms

speed constant velocity

Close letter words and terms

light source unit light sources light spectrum light speed ratio light speeds light sponge cake