[1] : The Collaborative International Dictionary of English v.0.48

light-year \light-year\, light year \light year\ astron.
   1. 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. +pjc

   2. a very large difference; -- used figuratively to express
      great differences of distance, quality, time in
      comparisons. "although having the same rank and salary,
      they were light-years apart in their ability to perform
      their jobs."
      pjc

[2] : WordNet (r) 2.0

light year
     n : the distance that light travels in a vacuum in 1 year; 5.88
         trillion miles or 9.46 trillion kilometers

[3] : Moby Thesaurus II by Grady Ward, 1.0

42 moby thesaurus words for "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

Electric Light >> E Words
Electric Light, definition of term: Electric Light
electric+light_pag1.html

Drummond Light >> D Words
Drummond Light, definition of term: Drummond Light
drummond+light_pag1.html

Calendar Year >> C Words
Calendar Year, definition of term: Calendar Year
calendar+year_pag1.html

Calcium Light >> C Words
Calcium Light, definition of term: Calcium Light
calcium+light_pag1.html

Arc Light >> A Words
Arc Light, definition of term: Arc Light
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Come To Light >> C Words
Come To Light, definition of term: Come To Light
come+to+light_pag1.html

Howstuffworks "What is a light year?
...Therefore, it has taken the star's light 1 million years to get here, and the light we are.....So to measure really long distances, people use a unit called a light year. Light travels at 186.....That doesn't make much sense because "light year" contains the word "year," which is normally a..
http://www.howstuffworks.com/question94.htm, score=100, date indexed=October 5, 2005, 7:19 pm

Light year - Wikipedia, the free encyclopedia
...Units related to the light year are the light minute and light second, the distance light.....More specifically, a light year is defined as the distance that a photon would travel, in free.....Since the speed of light in a vacuum is exactly 299,792,458 m/s, one light year is exactly equal..
http://en.wikipedia.org/wiki/Light_year, score=95, date indexed=October 6, 2005, 12:41 pm

Sierra Designs Light Year CD review - Trailspace.com
...See how the Sierra Designs Light Year CD stacks up against the competition: read more tent.....Sierra Designs Light Year CD..Above: The current Light Year CD, which may differ slightly from the version reviewed.Reviewed.....Have you used a Sierra Designs Light Year CD or a similar product? Write a gear review..
http://www.trailspace.com/gear/sierra-designs/light-year-cd/review/6648/, score=91, date indexed=February 12, 2005, 11:31 pm

kelty light year
...com offers a wide array of the best gear on the planet including kelty light year, backpacking.....With our proprietary software we are able to analyze the best resources for kelty light year on.....45 Degree Polarguard The Kelty Light Year 3D 45 Degree Sleeping Bag is the synthetic version of..
http://www.borderpanic.org/backcountry/kelty-light-year.html, score=90, date indexed=May 2, 2005, 1:41 pm

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