PTA

PTA may refer to:

Organizations Andalusia Technology Park (), 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 Phosphotungstic acid, acid catalyst and stain 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 a possible mnemonic symbol for Peseta, the former Spanish currency Postal code for Pietà, Malta 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 Port Talbot Parkway railway station in Wales (station code) 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

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