astronomical unit
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About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.astronomical unit
nounDefinition of ASTRONOMICAL UNIT
: a unit of length used in astronomy equal to the mean distance of the earth from the sun or about 93 million miles (150 million kilometers)
See First Known Use of ASTRONOMICAL UNIT
1903
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All Words Near: astronomical unit
Previous Word in the Dictionary: astronomical twilight
All Words Near: astronomical unit
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