Synonyms for astronomical unit

Most common

au

All synonyms

Noun

Definitions

1. n. 1

   149,597,870,700 metres, the approximate mean distance from the Earth to the Sun (the semi-major axis of Earth's orbit), (symbol AU), used to measure distances in the solar system.

Example sentences

• au "What is the element with the symbol Au?" "Gold."

By length

2 letters

au¹