S2 — Mediated Wiki

'''S2''' or '''S II''' may refer to: {{TOC right}} ==Science and technology== * S2 (star), a star in the Milky Way galaxy * S/2007 S 2, a natural satellite of Saturn * S2 impact (ie, "Spherules 2"), major impact of early Earth * S2 map projection, a map projection created at Google * S2 steel (shock resisting steel) * S2: Keep out of the reach of children, a safety phrase in chemistry * Disulfur (S2), an allotrope of sulfur * Sulfide ({{chem2|S(2-)}}) anion

===Mathematics=== * S2, the two-dimensional n-sphere * S2, the permutation group on two elements * s2, the variance of a variable

===Biology and medicine=== * British NVC community S2, a swamps and tall-herb fens community in the British National Vegetation Classification system * Schneider 2 cells, or S2 cells, a commonly used ''Drosophila'' cell line  * Secondary somatosensory cortex, a brain area in the parietal cortex * Sacral spinal nerve 2, a spinal nerve of the sacral segment * Schedule 2, an Australian legal category assigned to drugs; See Standard for the Uniform Scheduling of Medicines and Poisons * S2, the second sacral vertebrae * S2 (heart sound), a sound in cardiac auscultation * ATC code S02 ''Otologicals'', a subgroup of the Anatomical Therapeutic Chemical Classification System

===Computing=== * S2 (programming language) * S2 Spreadsheet, by IBM in 1984

==Transportation== ===Cars=== * AS S2, a 1927 car manufactured in Poland * Audi S2, a turbo-charged sports car * Lotus Elise S2, a Lotus Elise production series of roadster automobile * Porsche 944 S2, a 3l naturally aspirated Porsche 944 sports car

===Roads and bus routes=== * County Route S2 (California) * Expressway S2 (Poland), a southern bypass of Warsaw * S2 National Highway, one of the National Highways of Pakistan * S2 expressway (Shanghai), an expressway in Shanghai also known as the ''Hulu Expressway'' * S2, an abbreviation for a standard single carriageway road, with a single lane going in each direction * Stagecoach Gold bus route S2, a bus route in Oxfordshire, England

===Aviation and space=== * Bangladesh (aircraft registration code) * JetLite (IATA airline code) * Focke-Wulf S 2, a 1928 German trainer aircraft * Grumman S-2 Tracker, a 1952 United States Navy anti-submarine warfare (ASW) aircraft * SABCA S-2, a 1926 Belgian aircraft * Short S.2, a Short Brothers aircraft * Strojnik S-2, motorglider * S-II or S-2, the second stage of the Saturn V rocket

===Rail=== ====Locomotives==== * Alco S-2, a locomotive * Pennsylvania Railroad class S2, a unique steam turbine locomotive * NER Class S2, a class of British steam locomotives

====Passenger services==== * S2 (Berlin), an S-Bahn service * S2 (Dresden), an S-Bahn service * S2 (Munich), an S-Bahn service * S2 (Nuremberg), an S-Bahn service * S2 (RER Vaud), an S-Bahn service in Switzerland * S2 (Rhine-Main S-Bahn), an S-Bahn service * S2 (Rhine-Ruhr S-Bahn), an S-Bahn service * S2 (St. Gallen S-Bahn), an S-Bahn line in Switzerland * S2 (ZVV), a service of the Zurich S-Bahn in Switzerland * S2, a Breisgau S-Bahn service in Germany * S2, a planned Bremen S-Bahn service in Germany * S2, a Carinthia S-Bahn service in Austria * S2, a Chur S-Bahn service in Switzerland * S2, a Hamburg S-Bahn service in Germany * S2, a Hanover S-Bahn service in Germany * S2, a RheinNeckar S-Bahn service in Germany * S2, a Rostock S-Bahn service in Germany * S2, a Salzburg S-Bahn service in Austria * S2, a Stuttgart S-Bahn service in Germany * S2, a Stadtbahn Karlsruhe service in Germany * S2, a Tyrol S-Bahn service in Austria and Italy (South Tyrol) * S2, an Upper Austria S-Bahn service in Austria * S2, a Vienna S-Bahn service in Austria * S2, a Vorarlberg S-Bahn service in Austria, Liechtenstein and Switzerland * Line S2 (BCR), a commuter rail service in Beijing, Chian * Line S2 (Milan suburban railway service), Italy * Line S2 (Nanjing Metro), a suburban rapid transit line currently under construction in China * Line S2 (Wenzhou Rail Transit), a suburban rapid transit line currently under construction in China * FGC line S2, a suburban train service in Barcelona Province, Spain

==Military== * Soviet submarine ''S-2'', a Soviet World War II submarine * Grumman S-2 Tracker, a US Navy aircraft * Finnish torpedo boat ''S2'', which sank in 1925 * USS ''S-2'' (SS-106), a US Navy submarine * Göta Signal Corps (designation S2), a 1944–1997 Swedish Army signal unit * S2 (missile), the first deployed French land-based strategic missile * S-2, a military intelligence officer on the staff of a regiment or battalion * HMS ''Rorqual'' (S02), a 1956 British Royal Navy ''Porpoise''-class submarine * ORP S-2, Polish World War II motor gun boat

==Organisations== * S2 Records, a subsidiary of Sony Music * S2 (TV channel), a former Scottish television channel * S2 Games, a video game developer * S2 Yachts, a defunct sailboat-building company

==Products== * Nintendo Switch 2, a hybrid video game console * Samsung Galaxy S II, an Android smartphone * Samsung Gear S2, a Tizen smartwatch * Samsung Galaxy Tab S2, an Android tablet ===Cameras=== * Nikon S2, a 35mm rangefinder camera produced between 1954 and 1958 as part of the Nikon S-mount range * Nikon 1 S2, a digital mirrorless interchangeable lens camera * Canon PowerShot S2 IS, a 2005 5.0 megapixel digital camera * FinePix S2 Pro, a 2002 interchangeable lens digital single-lens reflex camera by Fuji * Leica S2, a 2009 37 million pixel medium format digital single-lens reflex camera

==Other uses== * Seremban 2, a suburb of Seremban, located in Negeri Sembilan, Malaysia * S2, a version of the racing simulation ''Live for Speed'' * S2, a district of the S postcode area, covering areas of eastern Sheffield * Seattle Sounders FC 2, nicknamed S2 * Second year, in the Scottish education system * S2 (classification), used for categorising swimmers based on their level of disability * ''Silent Storm'', a 2003 video game also known as ''S2: Silent Storm'' * ''Splatoon 2'', a 2017 video game for the Nintendo Switch * Pitts Special, Two-Seat Aerobatics Biplane

==See also== * 2S (disambiguation)

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