P.S. commonly refers to: *

Postscript PostScript (PS) is a page description language and dynamically typed, stack-based programming language. It is most commonly used in the electronic publishing and desktop publishing realm, but as a Turing complete programming language, it c ...

, writing added after the main body of a letter PS, P.S., ps, and other variants may also refer to:

Arts, entertainment and media

Literature

* PS Publishing, based in the UK *'' PS Magazine'', a U.S. Army magazine *''

Popular Science Popular science (also called pop-science or popsci) is an interpretation of science intended for a general audience. While science journalism focuses on recent scientific developments, popular science is more broad ranging. It may be written ...

'', a U.S. magazine * ''PlayStation Magazine'' (disambiguation)

Music

* PS Classics, a record label * ''P.S.'' (album), a compilation album of film music by Goran Bregovic * '' P.S. (A Toad Retrospective)'', a compilation album of music by Toad The Wet Sprocket * "PS", 2003 song by The Books from the album '' The Lemon of Pink'' * "P.S.", 1993 song by James from the album '' Laid''

Stage and screen

* ''P.S.'' (film), a 2004 film * ''P.S.'', a 2010 film by Yalkin Tuychiev * ''PS'' (TV series), a German television series *

Prompt corner In a theatre, the prompt corner or prompt box is the place where the prompter—usually the stage manager in the US or deputy stage manager in the UK—stands in order to coordinate the performance and to remind performers of their lines when re ...

or prompt side, an area of a stage

Other media

PlayStation is a video gaming brand owned and produced by Sony Interactive Entertainment (SIE), a division of Japanese conglomerate Sony. Its flagship products consists of a series of home video game consoles produced under the brand; it also consists ...

, a video gaming brand owned by Sony *

PlayStation (console) The (codenamed PSX, abbreviated as PS, and retroactively PS1/PS one) is a home video game console developed and marketed by Sony Computer Entertainment. It was released in Japan on December 3, 1994, followed by North America on September 9, ...

, a home video game console by Sony * Ponniyin Selvan (disambiguation), Indian media franchise, abbreviated PS

Honors

* iPhrothiya yeSiliva, a South African military award *

Padma Shri The Padma Shri (IAST: ''padma śrī'', lit. 'Lotus Honour'), also spelled Padma Shree, is the fourth-highest Indian honours system, civilian award of the Republic of India, after the Bharat Ratna, the Padma Vibhushan and the Padma Bhushan. In ...

, an Indian civilian award

Language

Pashto Pashto ( , ; , ) is an eastern Iranian language in the Indo-European language family, natively spoken in northwestern Pakistan and southern and eastern Afghanistan. It has official status in Afghanistan and the Pakistani province of Khyb ...

language (ISO 639:ps) *

Proto-Semitic language Proto-Semitic is the Linguistic reconstruction, reconstructed common ancestor of the Semitic languages. There is no consensus regarding the location of the linguistic homeland for Proto-Semitic: scholars hypothesize that it may have originated i ...

, a hypothesized proto-language * The sound of Greek letter

psi Psi, PSI or Ψ may refer to: Alphabetic letters * Psi (Greek) (Ψ or ψ), the twenty-third letter of the Greek alphabet * Psi (Cyrillic), letter of the early Cyrillic alphabet, adopted from Greek Arts and entertainment * "Psi" as an abbreviat ...

(ψ)

Places

Palau Palau, officially the Republic of Palau, is an island country in the Micronesia subregion of Oceania in the western Pacific Ocean. The Republic of Palau consists of approximately 340 islands and is the western part of the Caroline Islands ...

(FIPS PUB 10-4 territory code PS) *

State of Palestine Palestine, officially the State of Palestine, is a country in West Asia. Recognized by International recognition of Palestine, 147 of the UN's 193 member states, it encompasses the Israeli-occupied West Bank, including East Jerusalem, and th ...

(ISO 3166 country code PS) * MoMA PS1, an art institution in New York

Politics

* '' PS – Political Science & Politics'', academic journal * ''Parti Socialiste'' (disambiguation), French * ''Partido Socialista'' (disambiguation), Spanish and Portuguese * ''Partito Socialista'' (disambiguation), Italian *

Polizia di Stato The (State Police or P.S.) is one of the national Law enforcement in Italy, police forces of Italy. Alongside the Carabinieri, it is the main police force for providing police duties, primarily to cities and large towns, and with its child agen ...

, Italian national police force * Positive Slovenia *

Pradeshiya Sabha There are 276 Pradeshiya Sabhas in Sri Lanka, which are the legislative bodies that preside over the third tier municipalities in the country. Introduced in 1987 through the 13th Amendment to the Constitution of Sri Lanka, Pradeshiya Sabhas b ...

, a unit of local government in Sri Lanka *

Progressive Slovakia Progressive Slovakia (, PS) is a liberal and social-liberal political party in Slovakia established in 2017. The party is led by Michal Šimečka, a former Vice President of the European Parliament. It is a member of the Renew Europe group and ...

''Progresívne Slovensko'' *

Social Democratic Party (Andorra) The Social Democratic Party (, PS) is a social-democratic political party in Andorra Andorra, officially the Principality of Andorra, is a Sovereignty, sovereign landlocked country on the Iberian Peninsula, in the eastern Pyrenees in Sout ...

''Partit Socialdemòcrata'' *

Socialist Party (Netherlands) The Socialist Party ( ; SP ) is a democratic socialist political party in the Netherlands. Founded in 1971 as the Communist Party of the Netherlands/Marxist–Leninist (KPN/ML, ), the party has since moderated itself from Marxism–Leninism and ...

Socialist Party of Albania The Socialist Party of Albania (, PSSh), also known as simply the Socialist Party (, PS), is a Social democracy, social-democratic centre-left political party in Albania. It is the successor to the Party of Labour of Albania, which reconstituted ...

''Partia Socialiste'' *

Socialist Party of Chile The Socialist Party of Chile (, or PS) is a centre-left to Left-wing politics, left-wing political party founded in 1933. Its historic leader was President of Chile Salvador Allende, who was deposed in a 1973 Chilean coup d'état, coup d'état by ...

''Partido Socialista de Chile'' * Socialist Party of Romania ''Partidul Socialist in România' *

Finns Party The Finns Party ( , PS; , Sannf), formerly known as the True Finns, is a right-wing populist political party in Finland. It was founded in 1995 following the dissolution of the Finnish Rural Party. The party achieved its electoral breakthro ...

''Perussuomalaiset'' *

Movement of Socialists The Movement of Socialists (, abbr. PS) is a Left-wing nationalism, left-wing nationalist List of political parties in Serbia, political party in Serbia. It was founded in 2008 by Aleksandar Vulin, who served as the party's president until 2022 ...

(''Pokret socijalista''), a political party in Serbia

Religion

Pastor A pastor (abbreviated to "Ps","Pr", "Pstr.", "Ptr." or "Psa" (both singular), or "Ps" (plural)) is the leader of a Christianity, Christian congregation who also gives advice and counsel to people from the community or congregation. In Lutherani ...

s, ministers in some Christian churches *

Psalms The Book of Psalms ( , ; ; ; ; , in Islam also called Zabur, ), also known as the Psalter, is the first book of the third section of the Tanakh (Hebrew Bible) called ('Writings'), and a book of the Old Testament. The book is an anthology of B ...

, a book in the Tanakh and Christian Bibles

Science and technology

Units of measurement

* Petasecond (Ps), 10¹⁵ seconds * Picosecond (ps), 10⁻¹² seconds * ''

Pferdestärke Horsepower (hp) is a unit of measurement of power, or the rate at which work is done, usually in reference to the output of engines or motors. There are many different standards and types of horsepower. Two common definitions used today are th ...

'' (PS), abbreviation of the German term for metric horsepower * Picosiemens (pS), SI unit of electric conductance

Computing

Adobe Photoshop Adobe Photoshop is a raster graphics editor developed and published by Adobe Inc., Adobe for Microsoft Windows, Windows and macOS. It was created in 1987 by Thomas Knoll, Thomas and John Knoll. It is the most used tool for professional digital ...

, a graphics editor and creator by Adobe *

MPEG program stream Program stream (PS or MPEG-PS) is a container format (digital), container format for multiplexing digital audio, video and more. The PS format is specified in MPEG-1 Part 1 (ISO/IEC 11172-1) and MPEG-2 Part 1, Systems (ISO/IEC standard 13818-1/ITU ...

, an MPEG-2 container format * Parametric Stereo, feature used in digital audio *

PostScript PostScript (PS) is a page description language and dynamically typed, stack-based programming language. It is most commonly used in the electronic publishing and desktop publishing realm, but as a Turing complete programming language, it c ...

, a page description language ** .ps, filename extension for a file in PostScript format *

ps (Unix) In most Unix and Unix-like operating systems, the ps (''process status'') program displays the currently-running processes. The related Unix utility top provides a real-time view of the running processes. Implementations KolibriOS includes ...

, an application that displays statistics on running processes * .ps, the State of Palestine Internet domain extension or top-level domain (ccTLD) * PS Power and Sample Size, an interactive computer program for power and sample size calculations *

Windows PowerShell PowerShell is a shell program developed by Microsoft for task automation and configuration management. As is typical for a shell, it provides a command-line interpreter for interactive use and a script interpreter for automation via a langua ...

, a command line scripting and system management shell for Microsoft Windows

Medicine

* Panayiotopoulos syndrome, a childhood seizure disorder *

Progeroid syndromes Progeroid syndromes (PS) are a group of rare genetic disorders that mimic physiological aging, making affected individuals appear to be older than they are. The term ''progeroid syndrome'' does not necessarily imply progeria ( Hutchinson–Gilfor ...

, a group of rare diseases causing premature aging * Pulmonary stenosis or pulmonic stenosis, obstruction of the pulmonary artery of the heart

Physics and chemistry

* P or

static pressure In fluid mechanics the term static pressure refers to a term in Bernoulli's equation written words as ''static pressure + dynamic pressure = total pressure''. Since pressure measurements at any single point in a fluid always give the static pres ...

, in fluid mechanics and aviation *

Proton Synchrotron The Proton Synchrotron (PS, sometimes also referred to as CPS) is a particle accelerator at CERN. It is CERN's first synchrotron, beginning its operation in 1959. For a brief period the PS was the world's highest energy particle accelerator. It ...

, a 1959 particle accelerator at CERN *

Chloropicrin Chloropicrin, also known as PS (from Port Sunlight) and nitrochloroform, is a chemical compound currently used as a broad-spectrum antimicrobial, fungicide, herbicide, insecticide, and nematicide. It was used as a poison gas in World War I and the ...

, a highly toxic chemical compound *

Phosphatidylserine Phosphatidylserine (abbreviated Ptd-L-Ser or PS) is a phospholipid and is a component of the cell membrane. It plays a key role in cell cycle signaling, specifically in relation to apoptosis. It is a key pathway for viruses to enter cells via a ...

, a phospholipid * Phosphorothioate (or thiophosphate), a family of compounds and anions with the general chemical formula PS_4−xO_x³⁻ (x = 0, 1, 2, or 3) *

Polystyrene Polystyrene (PS) is a synthetic polymer made from monomers of the aromatic hydrocarbon styrene. Polystyrene can be solid or foamed. General-purpose polystyrene is clear, hard, and brittle. It is an inexpensive resin per unit weight. It i ...

, a common type of plastic * Ps,

positronium Positronium (Ps) is a system consisting of an electron and its antimatter, anti-particle, a positron, bound together into an exotic atom, specifically an onium. Unlike hydrogen, the system has no protons. The system is unstable: the two part ...

, pseudo-chemical symbol

Transportation

Paddle steamer A paddle steamer is a steamship or steamboat powered by a steam engine driving paddle wheels to propel the craft through the water. In antiquity, paddle wheelers followed the development of poles, oars and sails, whereby the first uses were wh ...

, abbreviated PS in vessel prefixes * Power Stage, a World Rally Championship special stage *

Power steering Power steering is a system for reducing a driver's effort to turn a steering wheel of a motor vehicle, by using a power source to assist steering. Hydraulic or electric actuators add controlled energy to the steering mechanism, so the driver can ...

, a device that helps with steering vehicles * Pacific Southwest Airlines (1949-1988), IATA designator of former airline *

Ukraine International Airlines Ukraine International Airlines PJSC, often shortened to UIA, is the flag carrier and the largest airline of Ukraine, with its head office in Kyiv and its main hub at Kyiv's Boryspil International Airport. It operated domestic and internationa ...

, IATA airline designator since 1992

Other uses

* Planning Service, Department of the Environment (Northern Ireland) * Plastic Surgery, abbreviated as P.S. for simple use * Police sergeant *

Power supply A power supply is an electrical device that supplies electric power to an electrical load. The main purpose of a power supply is to convert electric current from a source to the correct voltage, electric current, current, and frequency to power ...

Professional services Professional services are occupations in the service sector requiring special training in liberal arts and pure sciences education or professional development education. Some professional services, such as architects, accountants, engineers, d ...

, abbreviated P.S. in name suffixes *

State school A state school, public school, or government school is a primary school, primary or secondary school that educates all students without charge. They are funded in whole or in part by taxation and operated by the government of the state. State-f ...

or public school, in the US and other countries