Meaning

3 senses
  1. The speed of electromagnetic radiation, which in a perfect vacuum is equivalent to 299,792,458 metres per second.

    Early physicists developed insightful methods for measuring the speed of light.

    Lichtgeschwindigkeit

    ско́рость све́таskórostʹ svéta

    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

  2. (colloquial, figuratively)A very rapid speed.

    When her cat figured out that a trip to the vet was in the offing, he took off towards the closet at the speed of light.

  3. A rate of travel of a signal equal to one cell per generation, the fastest possible speed in the Moore and von Neumann neighborhoods.

Examples

16 sentences
  1. He calculated the speed of light.

    ruОн вычислил скорость света. — marafon

    deEr berechnete die Lichtgeschwindigkeit. — al_ex_an_der

  2. Everything happened at the speed of light.

    ruВсё произошло со скоростью света. — marafon

    deAlles passierte mit Lichtgeschwindigkeit. — Pfirsichbaeumchen

  3. Can we travel at the speed of light?

  4. Information is moving at the speed of light.

  5. He was driving at the speed of light.

Translations

8 languages
Русский
By meaning 1
the speed of electromagnetic radiation in a perfect vacuum:
Deutsch
By meaning 1
the speed of electromagnetic radiation in a perfect vacuum:

Forms

plural: speeds of light

Synonyms

5 synonyms
Close in meaning
  • 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:light speedc

Word family

6 related words

See also

neighbours in the dictionary
speed of light — meaning, examples, forms, synonyms | Krumeto