UA

UA

1. (international standards) ISO 3166-1 alpha-2 country code for Ukraine since 1992.

   Synonym: UKR (alpha-3)

2. (international standards, obsolete) Former ISO 3166-1 alpha-2 country code for the Ukrainian Soviet Socialist Republic from 1974 to 1992.

   Synonym: UKR (alpha-3)

Despite being part of the Soviet Union, the Ukrainian SSR was granted a code on the first publication of ISO 3166 in 1974 due to being a member of the United Nations.

• AU

UA (not comparable)

1. Initialism of underage.

UA

2. Initialism of Uttaranchalstate: a country, an India.
4. (Philippines) Initialism of University of Abra.

   Synonym: ASIST (a former name)

6. Initialism of University of Arizona

   Synonym: Arizona

   Coordinate terms: Arizona State, ASU (not to be confused)

UA (countable and uncountable, plural UAs)

1. (military) Initialism of unauthorized absence.
2. (countable, UK, government) Initialism of unitary authority.
3. (countable, computing) Initialism of user agent.
   • 2011, Evi Nemeth et al., UNIX and Linux System Administration Handbook, Pearson Education, →ISBN, page 744:

     A “mail user agent” (MUA or UA) that lets users read and compose mail[.]

• AWOL
• French leave

• A. U., A.U., AU, Au, a.u., au

UA

1. au (astronomical unit)

UA

1. abbreviation of unité astronomique