Organizations

• Andalusia Technology Park (Spanish: ), a science park in Málaga, Spain
• Parent-Teacher Association
  Parent-Teacher Association
  In the U.S. a parent-teacher association or Parent-Teacher-Student Association is a formal organization composed of parents, teachers and staff that is intended to facilitate parental participation in a public or private school. Most public and private K-8 schools in the U.S. have a PTA, a...
  
  
• Pakistan Telecommunication Authority
  Pakistan Telecommunication Authority
  Pakistan Telecommunication Authority is Pakistani government agency responsible for the establishment, operation and maintenance of telecommunications in Pakistan...
  
  
• Passenger transport authority, a United Kingdom local government authority
• Public Transport Authority (Western Australia)
• Public Transport Authority (Denmark)
  Public Transport Authority (Denmark)
  The Public Transport Authority is a Danish government agency responsible for regulating, planning and safety relating to rail and public transport in Denmark. A subsidiary of the Ministry of Transport, the agency acts as the Danish railway authority, responsible for regulation, planning, safety,...
  
  

Science and medicine

• Percutaneous transluminal angioplasty, a surgical procedure
• Physical Therapist Assistant
• Plasma thromboplastin antecedent, a blood enzyme
• Post-traumatic amnesia
  Post-traumatic amnesia
  Post-traumatic amnesia is a state of confusion that occurs immediately following a traumatic brain injury in which the injured person is disoriented and unable to remember events that occur after the injury. The person may be unable to state his or her name, where he or she is, and what time it...
  
  , a state of confusion following a traumatic brain injury
• Pure tone audiometry
  Pure tone audiometry
  Pure tone audiometry is the key hearing test used to identify hearing threshold levels of an individual, enabling determination of the degree, type and configuration of a hearing loss. Thus, providing the basis for diagnosis and management. PTA is a subjective, behavioural measurement of hearing...
  
  , a hearing test
• Purified terephthalic acid, an organic compound used to make polyester
• Peritonsillar abscess
  Peritonsillar abscess
  Peritonsillar abscess , also called a quinsy or abbreviated as PTA is a recognised complication of tonsillitis and consists of a collection of pus beside the tonsil .-Symptoms and signs:...
  
  
• Pulsar timing array
  Pulsar timing array
  A pulsar timing array is a set of millisecond pulsars that can be used to detect and analyse gravitational waves. Such a detection would result from a detailed investigation of the arrival times of pulses emitted by these millisecond pulsars....
  
  , a technique to detect gravitational waves
• Plasma Transformed Arc, a coating
  Coating
  Coating is a covering that is applied to the surface of an object, usually referred to as the substrate. In many cases coatings are applied to improve surface properties of the substrate, such as appearance, adhesion, wetability, corrosion resistance, wear resistance, and scratch resistance...
  
   technology

Other uses

• Paul Thomas Anderson
  Paul Thomas Anderson
  Paul Thomas Anderson is an American film director, screenwriter, and producer. He has written and directed five feature films: Hard Eight , Boogie Nights , Magnolia , Punch-Drunk Love and There Will Be Blood...
  
  , American filmmaker
• Planes, Trains and Automobiles, a 1987 American film by John Hughes
• Pohakuloa Training Area‎, a military training facility
• Point of total assumption
  Point of total assumption
  The point of total assumption is a point on the cost line of the Profit-cost curve determined by the contract elements associated with a fixed price plus incentive-Firm Target contract above which the seller effectively bears all the costs of a cost overrun...
  
  , a contract term
• Preferential trading area
  Preferential trading area
  A Preferential trade area is a trading bloc which gives preferential access to certain products from the participating countries. This is done by reducing tariffs, but not by abolishing them completely. A PTA can be established through a trade pact. It is the first stage of economic integration...
  
  , a type of trading bloc
• Pretoria
  Pretoria
  Pretoria is a city located in the northern part of Gauteng Province, South Africa. It is one of the country's three capital cities, serving as the executive and de facto national capital; the others are Cape Town, the legislative capital, and Bloemfontein, the judicial capital.Pretoria is...
  
  , the administrative and de facto capital of South Africa
• Prevention of Terrorism Act
  Prevention of Terrorism Act
  Prevention of Terrorism Act could refer to four different sets of Acts of Parliament, in three different countries:* Prevention of Terrorism Acts, passed between 1974 and 1989 to deal with terrorism in Northern Ireland in the United Kingdom...
  
  , the name of several countries' Acts of Parliament
• Program test authority
  Program test authority
  In broadcasting, program test authority is an authorization to conduct on-air testing of broadcast station facilities authorized to be built under a construction permit...
  
  , after a construction permit but before a broadcast license