F2
Encyclopedia
Science and Mathematics
- F2, the chemical formula for FluorineFluorineFluorine is the chemical element with atomic number 9, represented by the symbol F. It is the lightest element of the halogen column of the periodic table and has a single stable isotope, fluorine-19. At standard pressure and temperature, fluorine is a pale yellow gas composed of diatomic...
gas - F2, a layer of the ionosphere
- F2 hybrid, a type of crossing in classical genetics
- F-2 mycotoxin, a chemical compound
- F2 tornado, a rating of tornado on the Fujita scale
- Guillard's F/2 Mixture, a growth mediumGrowth mediumA growth medium or culture medium is a liquid or gel designed to support the growth of microorganisms or cells, or small plants like the moss Physcomitrella patens.There are different types of media for growing different types of cells....
(specific concentration's of nutrients) that algae is grown in - NIST-F2NIST-F2NIST-F2 is a caesium fountain atomic clock under construction that will serve as the United States' primary time and frequency standard. The clock will replace NIST-F1, a caesium fountain atomic clock used since 1999...
, atomic clock -
GF(2)GF is the Galois field of two elements. It is the smallest finite field.- Definition :The two elements are nearly always called 0 and 1, being the additive and multiplicative identities, respectively...
, the Galois field with two elements, also denoted as GF(2)GF(2)GF is the Galois field of two elements. It is the smallest finite field.- Definition :The two elements are nearly always called 0 and 1, being the additive and multiplicative identities, respectively...
Medicine
- F02: the ICD-10ICD-10 Chapter V: Mental and behavioural disorders- Organic, including symptomatic, mental disorders :* Dementia in Alzheimer's disease* Vascular dementia** Multi-infarct dementia* Dementia in other diseases classified elsewhere** Dementia in Pick's disease...
code for Dementia in other diseases classified elsewhere - F-2 (psychedelic)F-2 (psychedelic)F-2, or 6--5-methoxy-2-methyl-2,3-dihydrobenzofuran, is a lesser-known psychedelic drug. F-2 was first synthesized by Alexander Shulgin. In his book PiHKAL , the minimum dosage is listed as 15 mg, and the duration unknown. F-2 produces few to no effects...
, a psychedelic drug - Foundation Year 2, the second year of the UK Foundation Programme for postgraduate medical practitioners
- A brain region located in the frontal cortexCerebral cortexThe cerebral cortex is a sheet of neural tissue that is outermost to the cerebrum of the mammalian brain. It plays a key role in memory, attention, perceptual awareness, thought, language, and consciousness. It is constituted of up to six horizontal layers, each of which has a different...
of the macaqueMacaqueThe macaques constitute a genus of Old World monkeys of the subfamily Cercopithecinae. - Description :Aside from humans , the macaques are the most widespread primate genus, ranging from Japan to Afghanistan and, in the case of the barbary macaque, to North Africa...
Aviation
- Beechcraft F-2 Expeditor
- Blackburn F.2 Lincock, a 1928 British single-seat lightweight fighter
- Bristol F.2 FighterBristol F.2 FighterThe Bristol F.2 Fighter was a British two-seat biplane fighter and reconnaissance aircraft of the First World War flown by the Royal Flying Corps. It is often simply called the Bristol Fighter or popularly the "Brisfit" or "Biff". Despite being a two-seater, the F.2B proved to be an agile aircraft...
, a 1916 British two-seat biplane fighter and reconnaissance aircraft - F2 is the IATA airline designator for Fly AirFly AirFly Air was a private airline based in Istanbul, Turkey. It was originally a charter airline, but also operated scheduled services.The airline ceased operations in January 2007.- History :...
- F-2 Banshee, a carrier-based jet fighter aircraft of the 1950s
- F2 TigerFieseler Fi 2The Fieseler Fi 2, better known as the F2 Tiger , was a German aerobatic biplane which was flown to victory in the 1934 World Aerobatics Competition by the German aerobatics star, Gerhard Fieseler. Fieseler was a World War I German fighter ace with almost 20 kills to his credit...
, another name for the Fieseler Fi 2 aerobatic plane - Fairey F.2, a 1917 British fighter prototype
- Felixstowe F.2Felixstowe F.2|-See also:-References:NotesBibliography* Bruce, J.M. Flight, 2 December 1955, pp. 842–846.* Bruce, J.M. Flight, 16 December 1955, pp. 895–898.* Bruce, J.M. Flight, 23 December 1955, pp. 929–932....
, a 1917 British First World War flying boat - Flanders F.2Flanders F.2|-References:* The Illustrated Encyclopedia of Aircraft , 1985, Orbis Publishing-See also:...
, a 1911 British experimental single-seat monoplane aircraft - Fokker F.IIFokker F.II|-References:*Anderson, J.D. A History of Aerodynamics . Cambridge University Press. ISBN 1521 66955 3*de Leeuw, R. Fokker Commercial Aircraft . Fokker Publications...
, a 1919 German early airliner - Hunter F 2, a 1953 Hawker Hunter fighter aircraft variant
- Lübeck-Travemünde F.2Lübeck-Travemünde F.2|-See also:-Bibliography:...
, early German reconnaissance floatplane - Metropolitan-Vickers F.2, a 1941 British early turbojet engine
- Mitsubishi F-2Mitsubishi F-2The Mitsubishi F-2 is a multirole fighter manufactured by Mitsubishi Heavy Industries and Lockheed Martin for the Japan Air Self-Defense Force, with a 60/40 split in manufacturing between Japan and the USA. Production started in 1996 and the first aircraft entered service in 2000. The first 76...
, a Japanese fighter aircraft, based on the F-16 Fighting Falcon - RAF Tornado F.2, the first generation of the Panavia Tornado Air Defence Variant
Maritime
- HMS F2HMS F2HMS F2 was a British F class submarine of the Royal Navy. She was built at J. Samuel White at Cowes, laid down 30 November 1914 and launched 7 July 1917.F2 was sold for scrapping in Portsmouth in 1922-External links:*...
, a F-class submarine of the Royal Navy - USS F-2 (SS-21)USS F-2 (SS-21)USS F-2 , an F-class submarine, was named Barracuda when her keel was laid down by Union Iron Works of San Francisco, California, but was renamed on 17 November 1911. She was launched on 19 March 1912 sponsored by Miss A. R. Rolph, daughter of James Rolph, the mayor of San Francisco, and...
, an F-class submarine of the United States Navy
Rail
- GSR Class F2, an Irish 2–4–2T steam locomotive
- EMD F2EMD F2The EMD F2 was a freight-hauling diesel locomotive built by General Motors Electro-Motive Division between July 1946 and November 1946. It succeeded the FT model in GM-EMD's F-unit sequence, and was replaced in turn by the F3...
, a locomotive model - H&BR Class F2H&BR Class F2The H&BR Class F2 was a class of 0-6-2T steam locomotives of the Hull and Barnsley Railway....
, a locomotive model - PRR F2, an American PRR 2-6-0 steam locomotive
Road
- Alta F2, 1952 racing car
- F2 Castlereagh Freeway, one of the names used for the North Western ExpresswayNorth Western ExpresswayThe North Western Expressway was a planned freeway route in Sydney, New South Wales, Australia, intended to link the Sydney CBD to its north-western suburbs, and ultimately the F3 Freeway to Newcastle....
in Sydney - F2 road (Zimbabwe), a road in Zimbabwe
- Formula TwoFormula TwoFormula Two, abbreviated to F2, is a type of open wheel formula racing. It was replaced by Formula 3000 in 1985, but the FIA announced in 2008 that Formula Two would return for 2009 in the form of the FIA Formula Two Championship...
, a category in motor racing
Military
- F 2 HägernäsF 2 HägernäsF 2 Hägernäs, Roslagens Flygflottilj, Roslagen Air Force Wing, or simply "F 2", is a former Swedish Air Force wing with the main base located on the east coast of Sweden just north of the capital Stockholm.- History of the airbase :...
, a former Swedish Air Force wing - 20 mm modèle F2 gun20 mm modèle F2 gun- History :The need for a newer 20 mm defence cannon than the Oerlikon 20 mm cannon began to grow noticeably during the 1980s. The companies DCN and GIAT were contracted to design the F2 20 mm cannon, which essentially a navalised version of the M693 gun used by the French Army, and sold for...
, French naval gun - KMW F2KMW F2The KMW F2 is a family of modular wheeled armoured vehicles, manufactured by KMW. The F2 is designed as a supplement to the Fennek and is intended to provide a maximum of mobility, protection and growth potential...
, a German-designed, light, armoured vehicle, which is intended to replace the Fennek - Fairey F.2, a 1917 British fighter aircraft
Technology
- Flat-twin engine
- A function keyFunction keyA function key is a key on a computer or terminal keyboard which can be programmed so as to cause an operating system command interpreter or application program to perform certain actions...
, on a computer keyboard - A standard white pointWhite pointA white point is a set of tristimulus values or chromaticity coordinates that serve to define the color "white" in image capture, encoding, or reproduction. Depending on the application, different definitions of white are needed to give acceptable results...
for cool white fluorescent lamps - Nikon F2Nikon F2The Nikon F2 is a professional level, interchangeable lens, 35 mm film, single-lens reflex camera. It was manufactured by the Japanese optics company Nippon Kogaku K. K. in Japan from September 1971 to June 1980...
, a professional SLR camera - Taito F2 System, video arcade game hardware
- F2Serving area interfaceThe serving area interface or service area interface often called B-box, cross-connect box, cross box, ped , or access point is an outdoor telecommunications cabinet usually mounted on the ground on cable right-of-ways, but sometimes also on telephone poles...
in telecommunication is also referred to as the Secondary Feeder Cable
United States Visa
- F-2 visas are for spouses and children of F-1 visa holders.