light speed definition

  • noun:
    • alternate as a type of lightspeed.
    • the speed of which light journeys in a vacuum; the constancy and universality associated with rate of light is acknowledged by defining that it is exactly 299,792,458 yards per second

Related Sources

  • Sentence for "light speed"
    • Light speed is roughly equal to…
    • View More
  • Hypernym for "light speed"
  • Urban Dictionary for "light speed"
41 votes

How would you define light speed?

All the definitions on AZdictionary were written by people just like you. Now's your chance to add your own!