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light year
Synonyms of light year Antonyms of light year Examples of light year Usage of light year Parts of light year Definition that contains light year Words sounding like light year Explanation of light year

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Definitions of light year
  1. noun
    the distance that light travels in a vacuum in 1 year; 5.88 trillion miles or 9.46 trillion kilometers

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    light year
    type of:
    astronomy unit
Synonyms & Similar Words
light-year astronomy unit
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