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light-year

noun

1 light-year

The distance that light travels in a vacuum in 1 year; 5.88 trillion miles or 9.46 trillion kilometers.

synonym: light year.

Roget 200: length, longitude, span; mileage; distance etc. 196.    line, bar, rule, stripe, streak, spoke, radius.    ... show more

Dutch: lichtjaar
Polish: rok świetlny


Find more on light-year elsewhere: etymology - rhymes - Wikipedia.

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