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 Porcupine Tree are an English rock band formed by musician Steven Wilson in 1987. During an initial career spanning more than twenty years, they earned critical acclaim from critics and fellow musicians, developed a cult following, and became ...

, 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, United States from 1995 to 2013. It provided on-demand and wet lease aircraft charter. Its main base was Orlando International Airport. It is owned by th ...

(IATA airline designator PT) *

West Air Sweden West Air Sweden, operating as West Atlantic, is a cargo airline based in Malmö, Sweden. It operates scheduled and ad hoc freight charter services for FedEx, DHL and UPS. It is also contracted to operate mail flights for different postal serv ...

(IATA airline designator PT) *

Putnam Transit Putnam Transit, officially known as 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 th ...

, a bus system that serves Putnam County, New York *

Portugal Telecom Altice Portugal S.A. (formerly known as PT Portugal) is the largest telecommunications service provider in Portugal. Since 2 June 2015 the company has been a wholly owned subsidiary of Altice, a multinational cable and telecommunications company ...

, the largest telecommunications service provider in Portugal * '' Piteå-Tidningen'', a Swedish local newspaper

Business terminology

Part-time job A part-time job is a form of employment that carries fewer hours per week than a full-time job. Workers are commonly considered to be part-time if they work fewer than 30 hours per week. Their hours of work may be organised in shifts. The shifts a ...

Perseroan Terbatas A business entity is an entity that is formed and administered as per corporate law in order to engage in business activities, charitable work, or other activities allowable. Most often, business entities are formed to sell a product or a serv ...

, 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 A promontory is a raised mass of land that projects into a lowland or a body of water (in which case it is a peninsula). Most promontories either are formed from a hard ridge of rock that has resisted the erosive forces that have removed the s ...

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

Specific places

Portugal Portugal, officially the Portuguese Republic, is a country on the Iberian Peninsula in Southwestern Europe. Featuring Cabo da Roca, the westernmost point in continental Europe, Portugal borders Spain to its north and east, with which it share ...

(ISO country code PT) ** .pt, an Internet top-level domain name for Portugal **

Portuguese language Portuguese ( or ) is a Western Romance language of the Indo-European language family originating from the Iberian Peninsula of Europe. It is the official language of Angola, Brazil, Cape Verde, Guinea-Bissau, Mozambique, Portugal and São Tom� ...

(ISO 639 alpha-2 code "pt") *

Palestinian territories The occupied Palestinian territories, also referred to as the Palestinian territories, consist of the West Bank (including East Jerusalem) and the Gaza Strip—two regions of the former Mandate for Palestine, British Mandate for Palestine ...

, comprise the West Bank (including East Jerusalem) and the Gaza Strip *

Pistoia Pistoia (; ) is a city and ''comune'' in the Italian region of Tuscany, the capital of a province of the same name, located about north-west of Florence and is crossed by the Ombrone Pistoiese, a tributary of the River Arno. It is a typic ...

, a city in Italy *

Port Townsend, Washington Port Townsend is a city on the Quimper Peninsula in Jefferson County, Washington, United States. The population was 10,148 at the 2020 United States Census. It is the county seat and only incorporated city of Jefferson County. In addition ...

, a city in Jefferson County, Washington, in the United States *

Pacific Time Zone The Pacific Time Zone (PT) is a time zone encompassing parts of western Canada, the western United States, and western Mexico. Places in this zone observe standard time by subtracting eight hours from Coordinated Universal Time ( UTC−08:00 ...

, a time zone 8 hours behind UTC

Science, technology, and mathematics

Biology and medicine

* pt,

patient A patient is any recipient of health care services that are performed by Health professional, healthcare professionals. The patient is most often Disease, ill or Major trauma, injured and in need of therapy, treatment by a physician, nurse, op ...

, a medical abbreviation *

Physical therapy Physical therapy (PT), also known as physiotherapy, is a healthcare profession, as well as the care provided by physical therapists who promote, maintain, or restore health through patient education, physical intervention, disease preventio ...

/Physiotherapy or Physical therapist/Physiotherapist * Pararosaniline,

Toluidine There are three isomers of toluidine, which are organic compounds discovered and named by James Sheridan Muspratt and August Wilhelm von Hofmann in 1845. These isomers are O-Toluidine, ''o''-toluidine, ''m''-toluidine, and ''p''-toluidine, with the ...

histological stain *

Percutaneous {{More citations needed, date=January 2021 In surgery, a percutaneous procedurei.e. Granger et al., 2012 is any medical procedure or method where access to inner organs or other tissue is done via needle-puncture of the skin, rather than by using ...

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. ...

, 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 red berries includi ...

, 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 Coagulation#Extrinsic pathway, extrinsic pathway and Coagulation#Common pathway, ...

, a measurement of blood coagulation *

Pump thrombosis Pump thrombosis (PT) is considered a specific case of a major device malfunction, and is classified as either suspected or confirmed pump thrombus. Typically, the device is an implanted blood pump such as a left ventricular assist device. The malf ...

, 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 In computing, plain text is a loose term for data (e.g. file contents) that represent only characters of readable material but not its graphical representation nor other objects ( floating-point numbers, images, etc.). It may also include a lim ...

, data consisting in unformatted characters *

Panorama Tools Panorama Tools ''(also known as PanoTools)'' are a suite of programs and libraries for image stitching, i.e., re-projecting and blending multiple source images into immersive panoramas of many types. It was originally written by German physics ...

, a suite of programs and libraries originally by Helmut Dersch * Pluggable Transport, an API in

the Tor Project The Tor Project, Inc. is a 501(c)(3) research-education nonprofit organization based in Winchester, Massachusetts. It is founded by computer scientists Roger Dingledine, Nick Mathewson, and five others. The Tor Project is primarily responsibl ...

Penetration testing A penetration test, colloquially known as a pentest, is an authorized simulated cyberattack on a computer system, performed to evaluate the security of the system; this is not to be confused with a vulnerability assessment. The test is performed ...

, checking to see how secure a computer system is

Physics and chemistry

Platinum Platinum is a chemical element; it has Symbol (chemistry), symbol Pt and atomic number 78. It is a density, dense, malleable, ductility, ductile, highly unreactive, precious metal, precious, silverish-white transition metal. Its name origina ...

, symbol Pt, a chemical element *

Polythiophene Polythiophenes (PTs) are polymerized thiophenes, a sulfur heterocyclic compound, heterocycle. The parent PT is an insoluble colored solid with the formula (C4H2S)n.Strictly speaking, "polythiophene" is a misnomer, since the polymer consists of ...

, a molecule * Total pressure (P), in fluid dynamics

Transportation

* A US Navy hull classification symbol: Patrol torpedo boat (PT) *

Public transport Public transport (also known as public transit, mass transit, or simply transit) are forms of transport available to the general public. It typically uses a fixed schedule, route and charges a fixed fare. There is no rigid definition of whic ...

, or public transit *

Chrysler PT Cruiser The Chrysler PT Cruiser is a subcompact car that was built by the American company Chrysler from 2001 until 2010. Introduced as a five-door hatchback wagon, a two-door convertible variant was also made from 2005 until 2008. Originally planned ...

, a car model *

PT-91 The PT-91 Twardy (, English: Hard) is a Polish main battle tank. A development of the T-72#Models, T-72M1, it entered service in 1995. The PT-91 was designed at the :pl:Ośrodek Badawczo-Rozwojowy Urządzeń Mechanicznych „OBRUM”, OBRUM ...

, a military tank

Units of measurement

Percentage point A percentage point or percent point is the unit (measurement), unit for the difference (mathematics), arithmetic difference between two percentages. For example, moving up from 40 percent to 44 percent is an increase of 4 percentage points (altho ...

(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 The pint (, ; symbol pt, sometimes abbreviated as ''p'') is a unit of volume or capacity in both the imperial and United States customary measurement systems. In both of those systems, it is one-eighth of a gallon. The British imperial 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 Peat is an accumulation of partially Decomposition, decayed vegetation or organic matter. It is unique to natural areas called peatlands, bogs, mires, Moorland, moors, or muskegs. ''Sphagnum'' moss, also called peat moss, is one of the most ...

, 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 A personal trainer is an individual who creates and delivers safe and effective exercise programs for healthy individuals and groups, or those with medical clearance to exercise. They motivate clients by collaborating to set goals, providing m ...

, in fitness and bodybuilding *

Pro Tour (disambiguation) Pro Tour may refer to: * Pro Tour (Magic: The Gathering), an invitation-only tournament for Magic: The Gathering * ITTF Pro Tour, table tennis tournaments sanctioned by International Table Tennis Federation * PDC Pro Tour, darts tournaments sancti ...

Physical fitness

Physical education Physical education is an academic subject taught in schools worldwide, encompassing Primary education, primary, Secondary education, secondary, and sometimes tertiary education. It is often referred to as Phys. Ed. or PE, and in the United Stat ...

, known in many Commonwealth countries as physical training or PT *

Physical training instructor Physical training instructor (PTI) is a term used primarily in the British Armed Forces and British police, as well as some other Commonwealth countries, for an instructor in physical fitness. United Kingdom In the British Army, specialist Physi ...

, in the British & Commonwealth military; also in the British police * , physical training

Other uses

Pandit A pandit (; ; also spelled pundit, pronounced ; abbreviated Pt. or Pdt.) is an individual with specialised knowledge or a teacher of any field of knowledge in Hinduism, particularly the Vedic scriptures, dharma, or Hindu philosophy; in colonial-e ...

, a Hindu honorific applied to certain scholars of law, religion, philosophy or music *

Perpetual traveler A perpetual traveler (also PT, permanent tourist or prior taxpayer) is a person who bases different aspects of their life in different countries, without spending too long in any one place, under the belief that they can reduce taxes, avoid civic ...

or "permanent tourist" * ''

Perspectives on Terrorism ''Perspectives on Terrorism'' (PT) is a quarterly peer-reviewed, open-access online academic journal, covering political violence, terrorism and counter-terrorism, It is published jointly by the International Centre for Counter-Terrorism, in coll ...

'', an academic journal * ''

Pro tempore ''Pro tempore'' (), abbreviated ''pro tem'' or ''p.t.'', is a Latin phrase which best translates to 'for the time being' in English. This phrase is often used to describe a person who acts as a '' locum tenens'' ('placeholder'). The phrase is ...

'', a Latin phrase "for the time being" (temporary) *

Pyramid Texts The Pyramid Texts are the oldest ancient Egyptian funerary texts, dating to the late Old Kingdom. They are the earliest known corpus of ancient Egyptian religious texts. Written in Old Egyptian, the pyramid texts were carved onto the subterranea ...

, an ancient Egyptian funerary text * ''

Processo transexualizador Transgender rights in Brazil include the right to change one's legal name and sex without the need of surgery or professional evaluation, and the right to sex reassignment surgery provided by Brazil's public health service, the . Gender rec ...

'', a term for gender transition health care in Brazil