Au

1 of 3

abbreviation (1)

author

Au

2 of 3

symbol

gold

AU

3 of 3

abbreviation (2)

1

angstrom unit

2

astronomical unit

3

[Latin aures unitas] both ears

—used especially in audiology and in writing prescriptions

Word History

Etymology

Symbol

Latin aurum

Medical Definition

Au

1 of 2 symbol

gold

AU

2 of 2 abbreviation

1

angstrom unit

2

antitoxin unit

3

[Latin aures unitas] both ears

—used especially in audiology and in writing prescriptions

Etymology

Symbol

L aurum