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English dictionary

light speed

Definitions, examples, synonyms and antonyms from WordNet 3.0.

noun

  1. 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

    noun.time

    Synonyms c speed of light

    Source: WordNet 3.0

Nearby words

light penlight reactionlight reflexlight secondlight showlight sourcelight timelight touchlight unitlight uplight uponlight welterweight

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