AO

See also: Appendix:Variations of "ao"

Translingual

Symbol

AO

1. (international standards) ISO 3166-1 alpha-2 country code for Angola.

   Synonym: AGO (alpha-3)

English

Pronunciation

• IPA^(key): /eɪ ˈəʊ/

Proper noun

AO

1. Initialism of Arctic oscillation.
2. (tennis) Abbreviation of Australian Open, a major tennis tournament, part of the Grand Slam
3. (video games) Initialism of Anarchy Online.
4. Initialism of Annoying Orange, an Internet-based cartoon series.

Noun

AO (plural AOs)

1. Abbreviation of autonomous oblast.
2. Abbreviation of autonomous okrug.
3. (US, Navy) Abbreviation of auxiliary oiler.
4. (quantum mechanics, physical chemistry) Initialism of atomic orbital.
5. Abbreviation of area of operations.
6. Abbreviation of alpha and omega.

Translations

autonomous oblast — see also autonomous oblast

• Armenian: ԻՄ (IM)
• Georgian: აო (ao)
• Russian: АО (ru) (AO)

autonomous okrug — see also autonomous okrug

• Armenian: ԻՕ (IŌ)
• Russian: АО (ru) (AO)

Adjective

AO (not comparable)

1. Initialism of adults only.

Anagrams

• OA

German

Noun

AO f (genitive AO, plural AOen)

1. (taxation) Initialism of Abgabenordnung.

Declension

Declension of AO [feminine]

	singular			plural
	indef.	def.	noun	def.	noun
nominative	eine	die	AO	die	AOen
genitive	einer	der	AO	der	AOen
dative	einer	der	AO	den	AOen
accusative	eine	die	AO	die	AOen

Adverb

AO

1. (sex) Initialism of alles ohne (“bareback”).