PS

{{wiktionary|PS|P.S.|ps}} '''P.S.''' commonly refers to: * Postscript, writing added after the main body of a letter '''PS''', '''P.S.''', or '''ps''' may also refer to: {{TOC right}} == Arts, entertainment and media == === Literature === * PS Publishing, based in the UK *''PS Magazine'', a U.S. Army magazine *''Popular Science'', 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 or prompt side, an area of a stage * P.S. (Doctor Who), a mini episode of the seventh series of Doctor Who

=== Other media === * PlayStation, a video gaming brand owned by Sony *PlayStation (console), 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, an Indian civilian award

== Language == * Pashto language (ISO 639:<code>ps</code>) * Proto-Semitic language, a hypothesized proto-language * The sound of Greek letter psi (ψ)

== Places == * Palau (FIPS PUB 10-4 territory code PS) * State of Palestine (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, Italian national police force * Positive Slovenia * Pradeshiya Sabha, a unit of local government in Sri Lanka * Progressive Slovakia ''Progresívne Slovensko'' * Social Democratic Party (Andorra) ''Partit Socialdemòcrata'' * Socialist Party (Netherlands) * Socialist Party of Albania ''Partia Socialiste'' * Socialist Party of Chile ''Partido Socialista de Chile'' * Socialist Party of Romania ''Partidul Socialist [din România]'' * Finns Party ''Perussuomalaiset'' * Movement of Socialists (''Pokret socijalista''), a political party in Serbia

== Religion == * Pastors, ministers in some Christian churches * Psalms, a book in the Tanakh and Christian Bibles

== Science and technology == === Units of measurement === * Petasecond (Ps), 10¹⁵ seconds * Picosecond (ps), 10⁻¹² seconds * ''Pferdestärke'' (PS), abbreviation of the German term for metric horsepower * Picosiemens (pS), SI unit of electric conductance

=== Computing === * Adobe Photoshop, a graphics editor and creator by Adobe * MPEG program stream, an MPEG-2 container format * Parametric Stereo, feature used in digital audio * PostScript, a page description language ** .ps, filename extension for a file in PostScript format * ps (Unix), an application that displays statistics on running processes * .ps, Palestinian 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, a command line scripting and system management shell for Microsoft Windows

=== Medicine === * Panayiotopoulos syndrome, a childhood seizure disorder * Progeroid syndromes, 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{{sub|s}} or static pressure, in fluid mechanics and aviation * Proton Synchrotron, a 1959 particle accelerator at CERN * Chloropicrin, a highly toxic chemical compound * Persulfate, a class of peroxide sulfate used as a powerful oxidizing agent * Phosphatidylserine, 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, a common type of plastic * Ps, positronium, pseudo-chemical symbol

== Transportation == * Paddle steamer, abbreviated PS in vessel prefixes * Power Stage, a World Rally Championship special stage * Power steering, a device that helps with steering vehicles * Pacific Southwest Airlines (1949-1988), IATA designator of former airline * Ukraine International Airlines, IATA airline designator since 1992 * South Papua (vehicle registration prefix PS)

== Other uses == * Planning Service, Department of the Environment (Northern Ireland) * Plastic Surgery, abbreviated as P.S. for simple use * Police sergeant * Power supply * Professional services, abbreviated P.S. in name suffixes * State school or public school, in the US and other countries

== See also == * P.S. I Love You (disambiguation) * PSS (disambiguation)

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