Definitions
Wiktionary
- n. astronomy A unit of length (abbreviation ly; equal to just under 10 trillion kilometres (1016 metres)) equal to the distance light travels in one Julian year; used to measure extremely large distances.
- n. informal A very long way.
- n. informal, nonstandard A very long time.
Examples
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Lists
These user-created lists contain the word ‘light year’.
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science fact or fiction
pretty open-ended here—terms, ideas, lingo, technologies and phenomena (real or postulated) that are, were, should be or could be used in speculative fiction
tachyon, mecha, dropship, wetware, meatspace, nanobot, cloned meat, asteroid mining, hyperdrive, wormhole, parallel universe, distributed intel... and 464 more...
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Blippets
Time~sphere phenomena, manipulations, fluctuations, processes, measurements, and oddities. For use in building my machine.
microfortnight, transilient, instant, flash, breath, blink, beat, momentary, nimesha, truti, second, centisecond and 120 more...
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ENVI - Collocations HIJKL
habitable climate, habitable space, habitat alteration, habitat destruction, habitat diversity, habitat fragmenta..., habitat of organisms, habitat of the bi..., habitat protection, habitat requirement, habitat selection, habitat structure and 3456 more...
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measure my words
inch, chain, furlong, bushel, metre, litre, cubic metre, newton, farad, coulomb, faraday, pint and 40 more...
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whichbe (Symbol: ly) A unit of measurement of length, equal to just under ten trillion kilometres. The distance that light travels in a vacuum in one Julian year.
Exactly 9,460,730,472,580.8 km
About 5,878,625,373,183.61 statute miles
(Wikipedia)
May 28, 2008