PTA

PTA may refer to:

Organizations

Andalusia Technology Park (Spanish: Parque Tecnológico de Andalucía), a science park in Málaga, Spain
Pakistan Telecommunication Authority, an agency in Pakistan responsible for communication networks.
Parent–teacher association, an organization of parents, teachers, and staff at a school
Passenger transport authority
, a United Kingdom local government authority
Public Transport Authority (Denmark)
Public Transport Authority (Western Australia)

Science and medicine

1,3,5-Triaza-7-phosphaadamantane, organic compound
Percutaneous transluminal angioplasty
, surgical procedure
Peritonsillar abscess
Persistent truncus arteriosus, congenital heart disease
Pharmacy Technical Assistant
Phosphate acetyltransferase, enzyme
Physical Therapist Assistant
Plasma thromboplastin antecedent
, blood enzyme
Plasma Transferred Arc, coating technology
Post-traumatic amnesia, state of confusion following a traumatic brain injury
Pulsar timing array, technique to detect gravitational waves
Pure tone audiometry
, hearing test
Purified terephthalic acid
, organic compound used to make polyester

Other uses

Paul Thomas Anderson, American filmmaker
Planes, Trains and Automobiles, a 1987 American film by John Hughes
Pohakuloa Training Area, a military training facility
Point of total assumption, a contract term
Preferential trading area, a type of trading bloc
Pretoria, the administrative and de facto capital of South Africa
Prevention of Terrorism Act, the name of several countries' Acts of Parliament
Program test authority, after a construction permit but before a broadcast license
Port Talbot Parkway railway station in Wales (station code)
a possible mnemonic symbol for Peseta, the former Spanish currency

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