PA

Symbol

PA

1. The ISO 3166-1 two-letter (alpha-2) code for Panama.
2. (metrology) Symbol for the petaampere, an SI unit of electrical current equal to 10¹⁵ amperes.

Proper noun

PA

1. Pennsylvania, a state of the United States of America
2. Papua, a province of Indonesia
3. Pará, a state of Brazil
4. Palestinian Authority
5. Proto-Algonquian (sometimes abbreviated PAn to distinguish it from Proto-Algic, but usually just abbreviated PA with Proto-Algic being abbreviated PAc)
6. Proto-Algic (sometimes abbreviated PAc to distinguish it from Proto-Algonquian)
7. Proto-Athapaskan

Noun

PA (countable and uncountable, plural PAs)

1. Public address system.
2. Personal assistant.
3. Power amplifier.
4. Prince Albert (piercing).
5. Public accountant.
6. (law) Public Act.
7. Physician's assistant.
8. Per annum (i.e. interest).
9. (organic chemistry) Polyamide.
10. (chemistry) pyrrolizidine alkaloid
11. Peano arithmetic.
12. (anatomy) Initialism of pulmonary artery.

Anagrams

• A&P, AP, Ap, ap, ap.

Initialism

PA

1. CV (“aircraft carrier”); Initialism of porte-avions.

Anagrams

• AP

Abbreviation

PA

1. Abbreviation of Pará. (Brazilian state)