MOS or Mos may refer to:

Technology

MOSFET The metal–oxide–semiconductor field-effect transistor (MOSFET, MOS-FET, or MOS FET) is a type of field-effect transistor (FET), most commonly fabricated by the controlled oxidation of silicon. It has an insulated gate, the voltage of which d ...

(metal–oxide–semiconductor field-effect transistor), also known as the MOS transistor * Mathematical Optimization Society *

Model output statistics In weather forecasting, model output statistics (MOS) is a multiple linear regression technique in which predictands, often near-surface quantities (such as two-meter-above-ground-level air temperature, horizontal visibility, and wind directio ...

, a weather-forecasting technique * MOS (filmmaking), term for a scene that is "motor only sync" or "motor only shot", or jokingly, “mit out sound” * Mobile operating system, operating systems for mobile devices

Computing

* Acorn MOS, an operating system used in the Acorn BBC computer range * Media Object Server, a protocol used in newsroom computer systems * Mean opinion score, a measure of the perceived quality of a signal * MOS (operating system), a Soviet Unix clone * My Oracle Support, a support site for the users of

Oracle Corporation Oracle Corporation is an American multinational computer technology corporation headquartered in Austin, Texas. In 2020, Oracle was the third-largest software company in the world by revenue and market capitalization. The company sells da ...

products, known until October 2010 as "MetaLink" * macOS, an operating system for Macs

Government and military

Master of the Sword The Master of the Sword, or MOSH, is the title of the head of the Department of Physical Education and the director of the program of physical instruction at the United States Military Academy at West Point The United States Military Academ ...

, the title for the head of physical education at the U.S. Military Academy at West Point * Member of Service, any emergency responder (police officer, firefighter, emergency medical technician) that needs emergency help, usually over two-way radio * Military occupation specialty code, used by the U.S. military to identify a specific job *

Ministry of Supply The Ministry of Supply (MoS) was a department of the UK government formed in 1939 to co-ordinate the supply of equipment to all three British armed forces, headed by the Minister of Supply. A separate ministry, however, was responsible for aircr ...

, former British government ministry that co-ordinated military supplies

Places

* Ma On Shan (town), a town in the New Territories of Hong Kong ** Ma On Shan station, MTR station code * Mos, Spain, a municipality in Galicia, Spain in the province of Pontevedra * Museum of Science (Boston) (MoS), a Boston, Massachusetts landmark, located in Science Park, a plot of land spanning the Charles River, USA

Companies and organizations

* MOS (brand), American brand of organizational tools * MOS Technology, a defunct semiconductor company * Mos, a startup tech company founded by Amira Yahyaoui * MOS Burger, a fast-food restaurant chain that originated in Japan * The Mosaic Company (NYSE: MOS), American fertilizer and mining company

Other uses

* Mos, an uncommon singular form of mores, widely observed social norms (from Latin and ) * Mos, a traditional dish of the Nivkh people * Mos language, an aboriginal Mon–Khmer language of Malaya and Thailand * Mannan oligosaccharide-based nutritional supplements *

Manual of style A style guide or manual of style is a set of standards for the writing, formatting, and design of documents. It is often called a style sheet, although that term also has multiple other meanings. The standards can be applied either for gene ...

, also known a style guide or stylebook; a guide for writing and sometimes also for layout and typography * Margin on services, a financial reporting method for Australian life insurance companies * Moment of symmetry, in music, same as well formed generated collection * MOS (gene), gene for a human protein expressed in testis during sperm formation * MOS, German vehicle registration plate district code for Neckar-Odenwald-Kreis * "Man on the street" () segments in broadcasting * Mossi language ISO 639 alpha-2 language code * Morvan Syndrome (MoS) though usually referred to as MVS * MOS, minimum operating segment of a