AU

The astronomical unit (AU or au or a.u. or rarely ua) is a unit of distance, approximately equal to the mean distance between Earth and Sun. The currently accepted value of the AU is 149,597,870,691 ± 30 metres (about 150 million kilometres or 93 million miles).

That star is x AU's away from Earth.

by Maverician March 25, 2005

AU

"AU" - the symbol for gold on the Periodical Table of Elements

A valuable metal with a yellowish color

by Thou-Who-Shall-Not-Be-Named July 27, 2005

au

'Au' is also a Finnish word and it means the same as 'ouch' in English.

A: Viilsin vahingossa sormeni auki. (I accidentally slit my finger open.)
B: Au. (Ouch.)

by sirggu June 28, 2006

AU

Australian Unit
The distance between the Sun and Australia is one AU

Because Australia is one AU away from the Sun, Earth is too.

by Mayoisyummy December 31, 2019

aus.

the short version of Australia

did you see that aus. koala?
sure thing!

by TerrorAtMidnightBlue September 10, 2019

aus

Both short for and slang for "awesome". Pronounced like "boss". Coined by Shen/Bennick during production of the sic aus film "Flight From Death".

"Kim is an aus lawyer."

by G. Bennick December 20, 2004

au

a sound made by those of island decent

au bro.
au i smasha your face

by Gamgetta December 20, 2004