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light-year



Pronunciation: (līt'yēr", -yēr'), Strict Standards: Non-static method FenSites::linkTo() should not be called statically in /site/html/dictionary/light-year.html on line 71 [key]
n.
1. Astron.the distance traversed by light in one mean solar year, about 5.88 trillion mi. (9.46 trillion km): used as a unit in measuring stellar distances. Abbr.: lt-yr
2. light-years,
a. a very great distance, esp. in development or progress: The new computer is light-years ahead of the old one.
b. a very long time: It's been light-years since I've seen my childhood friends.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

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See also:
  • Strict Standards: Non-static method FenSites::linkTo() should not be called statically in /site/html/dictionary/light-year.html on line 131 light-year (Encyclopedia)

 

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