English dictionary
light speed meaning and definition
Definition and meaning of light speed at MeaningMonkey.org. light speed meaning and definition in the English Dictionary.LIGHT SPEED noun
Definition of light speed (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
- synonyms: c, speed of light
Source: Princeton University Wordnet