OXFORD 9000
📚 noun • entry_id 9693

light year

/ˈlaɪt.jɪə/
Meanings (ES + gloss)
año luz
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.
We live our lives in three dimensions for our threescore and ten allotted years. Yet every branch of contemporary science, from statistics to cosmology, alludes to processes that o…
Phrases
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