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light up | light upon | light welterweight | light whipping cream | light within | light year | light-armed | light-blue | light-boat | light-boned | light-colored

light year


Noun Phrase


light year,  
  •  The distance over which light can travel in a year's time in a vacuum, 5.88 trillion miles (9.46 trillion kilometers); -- used as a unit in expressing stellar distances. It is more than 63,000 times as great as the distance from the earth to the sun. The star nearest to the earth's sun is about 4 light years distant.  [Webster 1913 Suppl.]
  •  a very large difference; -- used figuratively to express great differences (of distance, quality, time) in comparisons.  [PJC]


light year

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, margin, metagalactic space, mileage, ocean of emptiness, outer space, parsec, parsecs, perspective, piece, pressureless space, range, reach, remoteness, separation, space, span, stretch, stride, the void, the void above, way, ways

For further exploring for "light year" in Webster Dictionary Online

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