Speed of light
Speed of light 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.
Show all Definitions
Synonyms for Speed of light
Speed and speed of light are semantically related. In some cases you can use "Speed" instead a noun phrase "Speed of light".
Speed
Speed noun - A high rate of movement or performance.
Speed of light and speed are semantically related. Sometimes you can replace phrase "Speed of light" with "Speed", this terms are similar.
Mutual synonyms
Cite this Source
Speed and Speed of light. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/speed_of_light/speed
Speed of light & Speed. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/speed_of_light/speed>.
Speed or Speed of light. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/speed_of_light/speed.
