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 The Mathematical Optimization Society (MOS), known as the Mathematical Programming Society until 2010,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) MOS is a standard filmmaking jargon abbreviation used in production reports to indicate an associated film segment has no synchronous audio track. Omitting sound recording from a particular shot can save time and relieve the film crew of certain ...

, 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 The Machine Operating System (MOS) or OS is a discontinued computer operating system (OS) used in Acorn Computers' BBC computer range. It included support for four-channel sound, graphics, file system abstraction, and digital and analogue input/ ...

, 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 Mean opinion score (MOS) is a measure used in the domain of Quality of Experience and telecommunications engineering, representing overall quality of a stimulus or system. It is the arithmetic mean over all individual "values on a predefined scale t ...

, a measure of the perceived quality of a signal *

MOS (operating system) Mobile Operating System (MOS; ) is an operating system, a Soviet Union, Soviet Clone (computing), clone of Unix from the 1980s.Balodis, Rihards; et al"History of Nordic Computing 3"IFIP Advances in Information and Communication Technology, 2011, ...

, 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 ...

, any emergency responder (police officer, firefighter, emergency medical technician) that needs emergency help, usually over two-way radio *

Military occupation specialty code A United States military occupation code, or a military occupational specialty code (MOS code), is a nine-character code used in the United States Army and United States Marine Corps to identify a specific job. In the United States Air Force, a sy ...

, 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 Ma On Shan () is an elevated station on the of Hong Kong. It is located above Sai Sha Road, at the town centre of Ma On Shan, between Sunshine City and Bayshore Towers. It also serves other residential areas like Kam Ying Court and Chung On ...

, 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) The Museum of Science (MoS) is a science museum and indoor zoo in Boston, Massachusetts, located in Science Park, a plot of land spanning the Charles River. Along with over 700 interactive exhibits, the museum features a number of live presentat ...

(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 MOS Technology, Inc. ("MOS" being short for Metal Oxide Semiconductor), later known as CSG (Commodore Semiconductor Group) and GMT Microelectronics, was a semiconductor design and fabrication company based in Audubon, Pennsylvania. It is mo ...

, a defunct semiconductor company * Mos, a startup tech company founded by

Amira Yahyaoui Amira Yahyaoui (born August 6, 1984) is a Tunisian entrepreneur, blogger and human rights activist. She was previously the Founder and President of Al Bawsala, a multi-awarded transparency and accountability NGO. Yahyaoui is a 2016 Young Global ...

MOS Burger , doing business as (which stands for "Mountain Ocean Sun"), is an international fast-food restaurant chain (fast-casual) from Japan. Its headquarters are in the ThinkPark Tower in Ōsaki, Shinagawa, Tokyo. At one time its headquarters were ...

, 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 Mores (, sometimes ; , plural form of singular , meaning "manner, custom, usage, or habit") are social norms that are widely observed within a particular society or culture. Mores determine what is considered morally acceptable or unacceptable ...

, widely observed social norms (from Latin and ) * Mos, a traditional dish of the

Nivkh people The Nivkh, or Gilyak (also Nivkhs or Nivkhi, or Gilyaks; ethnonym: Нивхгу, ''Nʼivxgu'' (Amur) or Ниғвңгун, ''Nʼiɣvŋgun'' (E. Sakhalin) "the people"), are an indigenous ethnic group inhabiting the northern half of Sakhalin Island ...

Mos language Ten'edn, also known as Mos in Thailand and Tonga-Mos or just Tonga in some literature, is an aboriginal Mon–Khmer language spoken by the Maniq The Maniq or Mani are an ethnic group of Thailand. They are more widely known in Thailand as the ...

, an aboriginal Mon–Khmer language of Malaya and Thailand *

Mannan oligosaccharide-based nutritional supplements Mannans are polymers containing the sugar mannose as a principal component. They are a type of polysaccharide comprise hemicellulose, a major source of biomass found in higher plants such as softwoods. These polymers also typically contain two ot ...

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 Margin on Services (or MoS) is a financial reporting method developed by the Australian Accounting Standards Board that relates to life insurance companies in Australia and New Zealand. Under MoS, the value of future surpluses expected to emerge ...

, 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 Mossi may refer to: *Mossi people *Mossi language *Mossi Kingdoms * the Mossi, a Burkinabe variant of the Dongola horse *Mossi (given name) *Mossi (surname) See also *Mossie (disambiguation) *Mossy (disambiguation) Mossy may refer to: Places *Mos ...

ISO 639 alpha-2 language code * Morvan Syndrome (MoS) though usually referred to as MVS * MOS, minimum operating segment of a

transportation system A transport network, or transportation network, is a network or graph in geographic space, describing an infrastructure that permits and constrains movement or flow. Examples include but are not limited to road networks, railways, air routes, ...

* Mos, nickname of Thai singer Patiparn Patavekarn, also referred to as Mos Patiparn