PT, Pt, or pt may refer to:

Arts and entertainment

* ''P.T.'' (video game), acronym 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 Capital Cargo International Airlines, Inc. was a cargo airline based in Orlando, Florida, USA from 1995 to 2013. It provided on-demand and wet lease aircraft charter. Its main base was Orlando International Airport. It is owned by the Air Trans ...

(IATA airline designator PT) * West Air Sweden (IATA airline designator PT) *

Putnam Transit Putnam Transit or Putnam Area Rapid Transit (PART) is the provider of bus transit in Putnam County, New York. An agency of the Putnam County government, Putnam Transit came into service in the mid-1970s as a startup system in the wake of growing su ...

, 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 .pt is the Internet country code top-level domain (ccTLD) for Portugal and is managed by Associação DNS.PT. It has the following second-level domains: * .com.pt: no restrictions; online registration * .edu.pt: education * .gov.pt: Governmen ...

, an Internet top-level domain name for Portugal ** Portuguese language (ISO 639 alpha-2 code "pt") *

Palestinian territories The Palestinian territories are the two regions of the former British Mandate for Palestine that have been militarily occupied by Israel since the Six-Day War of 1967, namely: the West Bank (including East Jerusalem) and the Gaza Strip. The ...

, 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 Physical therapy (PT), also known as physiotherapy, is one of the allied health professions. It is provided by physical therapists who promote, maintain, or restore health through physical examination, diagnosis, management, prognosis, patient ...

/Physiotherapy or Physical therapist/Physiotherapist * Pararosaniline,

Toluidine There are three isomers of toluidine, which are organic compounds. These isomers are ''o''-toluidine, ''m''-toluidine, and ''p''-toluidine, with the prefixed letter abbreviating, respectively, ''ortho''; ''meta''; and ''para''. All three are ary ...

histological stain * Percutaneous surgery *

Pertussis toxin Pertussis toxin (PT) is a protein-based AB5-type exotoxin produced by the bacterium ''Bordetella pertussis'', which causes whooping cough. PT is involved in the colonization of the respiratory tract and the establishment of infection. Rese ...

, a protein-based exotoxin which causes whooping cough *

Petunidin Petunidin (Pt), like Europinidin and Malvidin, is derived from Delphinidin and is an O-methylated anthocyanidin of the 3-hydroxy type. It is a natural organic compound, a dark-red or purple water-soluble pigment found in many redberries including ...

, an anthocyanidin plant pigment *

Prothrombin time The prothrombin time (PT) – along with its derived measures of prothrombin ratio (PR) and international normalized ratio (INR) – is an assay for evaluating the ''extrinsic'' pathway and common pathway of coagulation. This blood test is als ...

, a measurement of blood coagulation

Computing

, an Internet top-level domain name for Portugal * Panorama Tools, a suite of programs and libraries originally by Helmut Dersch * Pluggable Transport, an API in

the Tor Project The Tor Project, Inc. is a Seattle-based 501(c)(3) research-education nonprofit organization founded by computer scientists Roger Dingledine, Nick Mathewson and five others. The Tor Project is primarily responsible for maintaining software f ...

* Penetration testing, checking to see how secure a computer system is

Physics and chemistry

Platinum Platinum is a chemical element with the symbol Pt and atomic number 78. It is a dense, malleable, ductile, highly unreactive, precious, silverish-white transition metal. Its name originates from Spanish , a diminutive of "silver". Platin ...

, symbol Pt, a chemical element * Polythiophene, a molecule *

Total pressure In physics, the term total pressure may indicate two different quantities, both having the dimensions of a pressure: For compressible flow the isentropic relations can be used (also valid for incompressible flow): : p_t=p\left(1+\fracM^2\right ...

(P), in fluid dynamics

Transportation

* PT boat, a type of small fast ship used by the US Navy in World War II * Public transport, or public transit *

Chrysler PT Cruiser The Chrysler PT Cruiser is a retro-styled compact car manufactured and marketed internationally by Chrysler in 5-door hatchback wagon (2001–2010) and 2-door convertible (2005–2008) body styles—over a single generation, with an intermedi ...

, a car model *

PT-91 The PT-91 Twardy (, en, Tough, link=no) is a Polish main battle tank. A development of the T-72M1, it entered service in 1995. The PT-91 was designed at the OBRUM (''Ośrodek Badawczo-Rozwojowy Urządzeń Mechanicznych'', or ''Research an ...

, 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 Card stock, also called cover stock and pasteboard, is paper that is thicker and more durable than normal writing and printing paper, but thinner and more flexible than other forms of paperboard. Card stock is often used for business cards, ...

* Pint (Pt.), a unit of volume or capacity *

Point (typography) In typography, the point is the smallest unit of measure. It is used for measuring font size, leading, and other items on a printed page. The size of the point has varied throughout printing's history. Since the 18th century, the size of a point ...

(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 Prestressed concrete is a form of concrete used in construction. It is substantially "prestressed" ( compressed) during production, in a manner that strengthens it against tensile forces which will exist when in service. Post-tensioned concreted ...

, a reinforcement method in structural engineering *

Potential transformer Voltage transformers (VT), also called potential transformers (PT), are a parallel-connected type of instrument transformer. They are designed to present a negligible load to the supply being measured and have an accurate voltage ratio and phase ...

, 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

* Pandit, a Hindu honorific applied to certain scholars of law, religion, philosophy or music * Perpetual traveler or "permanent tourist" * ''

Perspectives on Terrorism ''Perspectives on Terrorism'' (PT) is a bimonthly peer-reviewed, open-access online academic journal, covering political violence, terrorism and counter-terrorism, It is published jointly by the Institute of Security and Global Affairs at the Ca ...

'', an academic journal * '' Pro tempore'', a Latin phrase "for the time being" (temporary) * Pyramid Texts, an ancient Egyptian funerary text *

Pussy torture Pussy torture (also known as vagina torture, cunt torture or female genitorture) is a BDSM or sexual activity involving the application of pain or pressure to a vulva or vagina, typically in the context of sadomasochism. It is sometimes conside ...

, a sexual activity involving pain or pressure applied to the human vagina or vulva.