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We found 14 dictionaries with English definitions that include the word light speed:
Click on the first link on a line below to go directly to a page where "light speed" is defined.

General dictionaries General (11 matching dictionaries)
  1. light speed: Merriam-Webster.com [home, info]
  2. light speed: Vocabulary.com [home, info]
  3. light-speed: Wordnik [home, info]
  4. light speed: Wiktionary [home, info]
  5. light speed: Dictionary.com [home, info]
  6. Light Speed, Light-speed, Light speed: Wikipedia, the Free Encyclopedia [home, info]
  7. light speed: Rhymezone [home, info]
  8. light speed: Free Dictionary [home, info]
  9. light speed: Mnemonic Dictionary [home, info]
  10. light speed: LookWAYup Translating Dictionary/Thesaurus [home, info]
  11. light speed: Dictionary/thesaurus [home, info]

Computing dictionaries Computing (1 matching dictionary)
  1. light speed: Encyclopedia [home, info]

Slang dictionaries Slang (1 matching dictionary)
  1. Light Speed: Urban Dictionary [home, info]

Tech dictionaries Tech (1 matching dictionary)
  1. Light speed: Basics of Space Flight Glossary [home, info]

(Note: See light_speeds for more definitions.)

Quick definitions from WordNet (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

▸ Also see light_speeds

Words similar to light speed

Usage examples for light speed

Idioms related to light speed (New!)

Words that often appear near light speed

Rhymes of light speed

Invented words related to light speed

Phrases that include light speed:   light speed travel

Words similar to light speed:   c, more...

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