PAA
PAA may refer to:
Businesses and organizations
[edit]- Pacific American Airlines
- Pamoja African Alliance, a Kenyan political party
- PanAfrican Archaeological Association
- Pan African Association
- Pan American World Airways, commonly known as Pan Am
- Pan American Association of Anatomy
- Patriot Alliance Association, a radical Chinese nationalist party in Taiwan
- Pittsburgh Athletic Association, athletic and social club
- Polish American Association
- Population Association of America, dedicated to population and demography studies
- Portland Adventist Academy, an Adventist High School
Science, technology and mathematics
[edit]Chemistry and materials science
[edit]- Peroxyacetic acid, a chemical
- Pharmacologic Ascorbic Acid, a medical treatment
- Phenylacetic acid, a chemical
- Phosphoamino acid analysis, a biochemistry technique
- Polyacrylamide, an acrylate polymer
- Polyacrylic acid, an acrylic polymer
- Primary Aromatic Amine, a group of compounds
Electronic devices
[edit]Linguistics
[edit]Statistics
[edit]- Piecewise Aggregate Approximation , dimension reduction method
Legislation
[edit]- Perpetuities and Accumulations Act 1964, UK act of Parliament
- Perpetuities and Accumulations Act 2009, UK act of Parliament
- Protect America Act of 2007, amendment to the US Foreign Intelligence Surveillance Act
Other uses
[edit]- Penny Arcade Adventures, video game series
- Prueba de Aptitud Académica, standardized test for university admissions