Definition of AU in English:

AU

  • 1African Union.

  • 2Angstrom unit(s).

  • 3Astronomical unit(s).

Pronunciation:

AU

/eɪˈjuː/

Definition of Au in English:

Au

  • The chemical element gold.

Origin

From Latin aurum.

Pronunciation:

Au

/eɪˈjuː/