UA

1. abbreviationinitialismnot comparableInitialism of underage.

1. abbreviationinitialismInitialism of Uttaranchalstate: a country, an India.
2. PhilippinesabbreviationinitialismInitialism of University of Abra.

   Synonyms: ASIST

3. abbreviationinitialismInitialism of University of Arizona

   Synonyms: Arizona

plural UAs

1. abbreviationcountableinitialismuncountablegovernmentInitialism of unauthorized absence.
2. UKabbreviationcountableinitialismgovernmentInitialism of unitary authority.
3. abbreviationcountableinitialismcomputingInitialism of user agent.

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

   2011, Evi Nemeth et al., UNIX and Linux System Administration Handbook, Pearson Education, →ISBN, page 744