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 direction, ...

, 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 A mobile operating system is an operating system for mobile phones, tablets, smartwatches, smartglasses, or other non-laptop personal mobile computing devices. While computers such as typical laptops are "mobile", the operating systems used on ...

, operating systems for mobile devices

Computing

* Acorn MOS, an operating system used in the Acorn BBC computer range *

Media Object Server The Media Object Server (MOS) protocol allows newsroom computer systems (NCS) to communicate using a standard protocol with video servers, audio servers, still stores, and character generators for broadcast production. The MOS protocol is base ...

, 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 macOS (; previously OS X and originally Mac OS X) is a Unix operating system developed and marketed by Apple Inc. since 2001. It is the primary operating system for Apple's Mac computers. Within the market of desktop and lapt ...

, 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 Member Of Service (M.O.S.) is a term used in parts of the US for any first responder such as a police officer, firefighter, correction officer, emergency medical technician or paramedic. Originally used as an exclusive term by the (New York City P ...

, 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) Ma On Shan is a new town along the eastern coast of Tolo Harbour in the New Territories of Hong Kong. Although it was initially an extension of Sha Tin New Town, it has its own town centre and various government facilities, and is now classifi ...

, a town in the New Territories of Hong Kong ** Ma On Shan station, MTR station code *

Mos, Spain Mos is a municipality in the province of Pontevedra in Galicia, Spain. Mos is adjacent to Vigo. The Louro River floods through Mos from north to south, making the municipality a valley region. There is no significant urban nucleus and most of ...

, 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) MOS (Magnetic Organization System) is an American brand of organizational tool A tool is an object that can extend an individual's ability to modify features of the surrounding environment or help them accomplish a particular task. Although many ...

, 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 The Mosaic Company is a Fortune 500 company based in Tampa, Florida which mines phosphate, potash, and collects urea for fertilizer, through various international distribution networks, and Mosaic Fertilizantes. It is the largest U.S. producer of ...

(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 diatonic set theory, a generated collection is a collection or scale formed by repeatedly adding a constant interval in integer notation, the generator, also known as an interval cycle, around the chromatic circle until a complete collectio ...

, in music, same as well formed generated collection *

MOS (gene) Proto-oncogene serine/threonine-protein kinase mos is an enzyme that in humans is encoded by the ''MOS'' gene. Interactions MOS (gene) has been shown to interact with MyoD MyoD, also known as myoblast determination protein 1, is a protein in a ...

, gene for a human protein expressed in testis during sperm formation * MOS, German vehicle registration plate district code for

Neckar-Odenwald-Kreis Neckar-Odenwald-Kreis is a ''Landkreis'' (district) in the north of Baden-Württemberg, Germany. Neighboring districts are (from east clockwise) Main-Tauber-Kreis, Hohenlohe-Kreis, Heilbronn, Rhein-Neckar-Kreis, Odenwaldkreis (Hesse) and Landkre ...

* "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