English
Detailed Synonyms for light year in English
light year:
light year [the ~] noun
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the light year
– the distance that light travels in a vacuum in 1 year; 5.88 trillion miles or 9.46 trillion kilometers 1the light-year; the light year– the distance that light travels in a vacuum in 1 year; 5.88 trillion miles or 9.46 trillion kilometers 1