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English Dictionary - With Multi-Lingual Search
Your Query of 'light year' Resulted in 1 Matches
Displaying Items 1 through 1
Definitions
light year
noun
(
astronomy
) A unit of length (
abbreviation
ly) equal to the distance light travels in one year; used to measure extremely large distances.
(
in plural
light years
; figurative, informal
) A very long way.
The marathon runner in the lead is light years ahead of the one at the back.
(
in plural
light years
; figurative, informal, nonstandard
) A very long time.
Some of Leonardo da Vinci's inventions were light years ahead of their time.
Translations:
Dutch: lichtjaar (1)
French: année-lumière (1)
German: Lichtjahr (1)
Italian: anno luce (1)
Spanish: aí±o luz
Etymology:
light + year
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