astronomical unit (0 synonym found)

We don't have synonyms for astronomical unit yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are astronomical units.

We don't have any synonyms for astronomical unit yet.

Did you mean…

astronomical units

Think astronomical unit belongs in the thesaurus? Recommend it and we'll take a look.

Definition of astronomical unit:

°The mean distance from the Earth to the Sun (the semi-major axis of Earth's orbit), approximately 149,600,000 kilometres (symbol AU), used to measure distances in the solar system.
Definition of astronomical unit:

°The mean distance from the Earth to the Sun (the semi-major axis of Earth's orbit), approximately 149,600,000 kilometres (symbol AU), used to measure distances in the solar system.
Back to Top