AOA

1. (international standards) ISO 4217 currency code for the Angolan kwanza.

• ("A..." of "A..."): AoA

AOA (plural AOAs)

1. (aeronautical) Initialism of angle of attack.
2. (astronautics) Initialism of abort once around.
3. (military) Initialism of add-on armor.

AOA

1. Initialism of Administration on Aging.

• AAO

AOA m or f (plural AOA's, no diminutive)

1. (healthcare) initialism of acuteopnameafdeling (“AMU; acute medical unit, acute admissions unit”)