speed of light

speed of light
The speed of electromagnetic radiation in a perfect vacuum: exactly 299,792,458 metres per second.
Syn: Einstein barrier, Einstein constant, lightspeed, light speed, c
See Also: subluminal, tardyon, luxon, tachyon, faster-than-c, faster-than-light, FTL, superluminal

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  • Speed of light — The speed of light in the vacuum of free space is an important physical constant usually denoted by the letter c . [NIST and BIPM practice is to use c 0 for the speed of light in vacuum in accord with international standard ISO 31 5. See… …   Wikipedia

  • speed of light — ▪ physics       speed at which light waves propagate through different materials. In particular, the value for the speed of light in a vacuum is now defined as exactly 299,792,458 metres per second.       The speed of light is considered a… …   Universalium

  • 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 (Freq. 1) • Syn: ↑light speed, ↑c • Hypernyms: ↑speed, ↑velocity,… …   Useful english dictionary

  • Speed of Light — Corbin Bleu Álbum de Corbin Bleu Publicación 10 de marzo de 2009 (EUA) Grabación 2008 2009 Género(s) Pop, R B D …   Wikipedia Español

  • speed of light — šviesos greitis statusas T sritis Standartizacija ir metrologija apibrėžtis Elektromagnetinių bangų sklidimo laisvoje erdvėje (vakuume) greitis. Tai fizikinė konstanta: c = 299 792 458 m/s. atitikmenys: angl. speed of light; velocity of light vok …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

  • speed of light — šviesos greitis statusas T sritis fizika atitikmenys: angl. speed of light; velocity of light vok. Lichtgeschwindigkeit, f rus. скорость света, f pranc. vitesse de la lumière, f; vitesse de propagation de la lumière, f …   Fizikos terminų žodynas

  • speed of light — n. permanent physical speed of the electromagnetic rays in space, unit of distance per time within which light moves (approximately 299,792.5 kilometers per second / 186, 200, 000 miles per second) …   English contemporary dictionary

  • speed of light — Date: 1823 a fundamental physical constant that is the speed at which electromagnetic radiation propagates in a vacuum and that has a value fixed by international convention of 299,792,458 meters per second symbol c …   New Collegiate Dictionary

  • Speed Of Light —    In a vacuum, light travels at about 299,792 kilometers per second (about 186,170 miles per second) …   The writer's dictionary of science fiction, fantasy, horror and mythology

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