| / English Dictionary |
LIGHT YEAR
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
The distance that light travels in a vacuum in 1 year; 5.88 trillion miles or 9.46 trillion kilometers
Synonyms:
light-year; light year
Classified under:
Nouns denoting quantities and units of measure
Hypernyms ("light year" is a kind of...):
astronomy unit (a linear unit used for astronomical distances)
Meronyms (parts of "light year"):
light hour (the distance light travels in a vacuum in one hour; approximately one billion kilometers)
light minute (the distance light travels in a vacuum in one minute; approximately 18 million kilometers)
light second (the distance light travels in a vacuum in one second; approximately 300,000 kilometers)
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