PT, Pt, or pt may refer to:

Arts and entertainment P.T. (Silent Hills), initialism for "playable teaser", a short video game released to promote the cancelled video game Silent Hills Porcupine Tree, a British progressive rock group

In business Businesses Capital Cargo International Airlines (IATA airline designator PT) West Air Sweden (IATA airline designator PT) Putnam Transit, a bus system that serves Putnam County, New York Portugal Telecom, the largest telecommunications service provider in Portugal Piteå-Tidningen, a Swedish local newspaper

Business terminology Part-time job Perseroan Terbatas, the Indonesian name for a limited liability company

Political parties Partido dos Trabalhadores (Brazil) (Workers' Party), a Brazilian political party Parti des travailleurs (France) (Workers' Party), a defunct French political party Partido dos Trabalhadores (Guinea-Bissau) (Workers' Party), a Bissau-Guinean political party Partido del Trabajo (Mexico) (Labor Party), a Mexican political party

Places Promontory or point, a prominent mass of land that overlooks lower-lying land or a body of water

Specific places Portugal (ISO country code PT) .pt, an Internet top-level domain name for Portugal Portuguese language (ISO 639 alpha-2 code "pt") Palestinian territories, comprise the West Bank (including East Jerusalem) and the Gaza Strip Pistoia, a city in Italy Port Townsend, Washington, a city in Jefferson County, Washington, in the United States Pacific Time Zone, a time zone 8 hours behind UTC

Science, technology, and mathematics Biology and medicine pt, patient, a medical abbreviation Physical therapy/Physiotherapy or Physical therapist/Physiotherapist Pararosaniline, Toluidine histological stain Percutaneous surgery Pertussis toxin, a protein-based exotoxin which causes whooping cough Petunidin, an anthocyanidin plant pigment Prothrombin time, a measurement of blood coagulation Pump thrombosis, a major device malfunction due to a suspected or confirmed development of a pump thrombus

Computing .pt, an Internet top-level domain name for Portugal Plain text, data consisting in unformatted characters Panorama Tools, a suite of programs and libraries originally by Helmut Dersch Pluggable Transport, an API in the Tor Project Penetration testing, checking to see how secure a computer system is

Physics and chemistry Platinum, symbol Pt, a chemical element Polythiophene, a molecule Total pressure (P), in fluid dynamics

Transportation A US Navy hull classification symbol: Patrol torpedo boat (PT) Public transport, or public transit Chrysler PT Cruiser, a car model PT-91, a military tank

Units of measurement Percentage point (pt), a unit for the arithmetic difference of two percentages pt, a measurement in the print industry for thickness of card stock Pint (Pt.), a unit of volume or capacity Point (typography) (Pt.), a unit of measure used in typography

Other uses in science, technology, and mathematics Permian-Triassic extinction event, a mass extinction between the Paleozoic and Mesozoic eras Peat, in the Unified Soil Classification System Post-tensioned concrete, a reinforcement method in structural engineering Potential transformer, an electrical component for changing voltage Pressure treated wood

Sport Personal trainer, in fitness and bodybuilding Pro Tour (disambiguation)

Physical fitness Physical education, known in many Commonwealth countries as physical training or PT Physical training instructor, in the British & Commonwealth military; also in the British police , physical training

Other uses Portuguese language (ISO 639-1: pt; endonym: ) Pandit, a Hindu honorific applied to certain scholars of law, religion, philosophy or music Perpetual traveler or "permanent tourist" Perspectives on Terrorism, an academic journal Pro tempore, a Latin phrase "for the time being" (temporary) Pyramid Texts, an ancient Egyptian funerary text Processo transexualizador, a term for gender transition health care in Brazil Central Papua (vehicle registration prefix PT)

See also P. T. (disambiguation) Petey (disambiguation) Abbreviation of Pumper Tanker in Fire Rescue Victoria