| / English Dictionary |
ASTRONOMICAL UNIT
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
A unit of length used for distances within the solar system; equal to the mean distance between the Earth and the Sun (approximately 93 million miles or 150 million kilometers)
Synonyms:
Astronomical Unit; AU
Classified under:
Nouns denoting quantities and units of measure
Hypernyms ("Astronomical Unit" is a kind of...):
astronomy unit (a linear unit used for astronomical distances)
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