Antonyms for speed of lightspeed of light

WiktionaryRate these synonyms:0.0 / 0 votes

1. speed of lightnoun

   Synonyms:
   Einstein constant, Einstein barrier, lightspeed, light speed, c

2. speed of lightnoun

   The speed of electromagnetic radiation in a perfect vacuum: exactly 299,792,458 metres per second by definition.

   Synonyms:
   c, Einstein barrier, lightspeed, light speed, Einstein constant

Matched Categories

1. • Constant
   • Speed

Princeton's WordNetRate these antonyms:0.0 / 0 votes

1. speed of light, light speed, cnoun

   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:
   century, hundred, light speed, degree Celsius, nose candy, snow, coke, vitamin C, ascorbic acid, deoxycytidine monophosphate, one C, degree centigrade, c, ampere-second, coulomb, atomic number 6, blow, carbon, cytosine

How to use speed of light in a sentence?

1. Yonatan Winetraub:

   Landing is the most difficult part of the mission for multiple reasons, it takes radio signals traveling at the speed of light 2 to 3 seconds in total to send and receive messages – the spacecraft is traveling at 2 kilometers a second at that point.

2. Perry Brass:

   Although computers allow people to talk at the speed of light, no one talks that fast.

3. Woody Allen:

   It is impossible to travel faster than the speed of light, and certainly not desirable, as one's hat keeps blowing off.

4. Eric Tennen:

   It's all happening at the speed of light, it's just crazy. I don't know what's what anymore.

5. Albert Einstein:

   Emc (Energy equals mass times the square of the speed of light.) Original statement If a body gives off the energy L in the form of radiation, its mass diminshes by Lc.

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