- light year as a noun:
- 1
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.
Dutch: lichtjaar
Polish: rok świetlny
Moby thesaurus: aesthetic distance, astronomical unit, celestial spaces, chaos, clearance, compass, cosmic space, deep space, depths of space, distance, divergence, empty space, ether space, extent, farness, infinity, interstellar space, leeway, length, light-years ... show more.
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