What is the definition of Light year? | Dictionary.net

LIGHT YEAR

\lˈa͡ɪt jˈi͡ə], \lˈa‍ɪt jˈi‍ə], \l_ˈaɪ_t j_ˈiə]\

Definitions of LIGHT YEAR

2006 - WordNet 3.0
2011 - English Dictionary Database
2010 - New Age Dictionary Database
1913 - Webster's Revised Unabridged Dictionary

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

2006 - WordNet 3.0
By Princeton University

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

2011 - English Dictionary Database
By DataStellar Co., Ltd

The distance over which light can travel in a year's time; - 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.

2010 - New Age Dictionary Database
By Oddity Software

The distance over which light can travel in a year's time; - 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.

1913 - Webster's Revised Unabridged Dictionary
By Noah Webster.

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