astronomical unit
Pronunciation
/ɐstɹənˈɑːmɪkəl jˈuːnɪt/
AU

Definition & Meaning of "astronomical unit"in English

Astronomical unit
01

a unit of measurement equal to the average distance between the Earth and the Sun, approximately 149.6 million kilometers

Grammatical Information
Animacy status
Inanimate
Composition
Compound
Countable
Plural form
astronomical units
Examples
An astronomical unit measures distances within our solar system.
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