MSR may refer to:

Science and technology

* Macrophage scavenger receptor, a receptor found in macrophages *

Magnetic stripe reader The term digital card can refer to a physical item, such as a memory card on a camera, or, increasingly since 2017, to the digital content hosted as a virtual card or cloud card, as a digital virtual representation of a physical card. They shar ...

, a device used to read magnetic stripe cards such as credit cards *

M–sigma relation The M–sigma (or ''M''–''σ'') relation is an empirical correlation between the stellar velocity dispersion ''σ'' of a galaxy bulge and the mass M of the supermassive black hole at its center. The ''M''–''σ'' relation was first present ...

, in astrophysics *

Mars sample return A Mars sample-return (MSR) mission is a proposed mission to collect rock and dust samples on Mars and return them to Earth. Such a mission would allow more extensive analysis than that allowed by onboard sensors. Risks of cross-contamination ...

mission, a spaceflight mission to return rock and dust samples collected on Mars * Mirror self-recognition, in animals through the mirror test *

Molten salt reactor A molten-salt reactor (MSR) is a class of nuclear fission reactor in which the primary nuclear reactor coolant and/or the fuel is a mixture of molten salt with a fissile material. Two research MSRs operated in the United States in the mid-20th ...

, an advanced nuclear reactor design

Computing

Machine state register A machine is a physical system that uses power to apply forces and control movement to perform an action. The term is commonly applied to artificial devices, such as those employing engines or motors, but also to natural biological macromolecu ...

, a register used in PowerPC architectures *

Model-specific register A model-specific register (MSR) is any of various control registers in the x86 system architecture used for debugging, program execution tracing, performance monitoring, and toggling certain CPU features. History With the introduction of the 80 ...

, a feature in x86 processors *

Microsoft Reserved Partition A Microsoft Reserved Partition (MSR) is a partition of a data storage device that uses the GUID Partition Table (GPT) layout. The Windows operating system uses this partition for compatibility purposes. No meaningful data is stored within the MS ...

, a space-management partition on a computer storage device * Mining software repositories, a field that analyzes the rich data available in software repositories

Entertainment

MSR Studios Sound on Sound Studios, formerly known as MSR Studios (Manhattan Sound Recordings), is a photography and movie producing company recording facility in Montclair, New Jersey. Its forebear, MSR Studios, was located in Manhattan, just outside Times ...

, a New York recording studio *

The Most Serene Republic The Most Serene Republic is a Canadian indie rock music group formed in 2003 in Milton, Ontario. The band takes its name from the sobriquet of Venice under the Doges, which was regarded as " The Most Serene Republic of Venice". Members Curren ...

, a Canadian indie rock band * ''

Metropolis Street Racer ''Metropolis Street Racer'' (''MSR'') is a racing video game developed by Bizarre Creations and published by Sega exclusively for the Dreamcast. Initially intended as a launch title for the Dreamcast, its release in Europe was delayed until Nov ...

'', a Dreamcast racing game *

Mid-season replacement In American network television scheduling, a mid-season replacement is a television show that premieres in the second half of the traditional television season, usually between December and May. Mid-season replacements usually take place after ...

, a television series that premieres in the second half of a traditional season *'' Metroid: Samus Returns'', a video game * Mulder Scully Romance, the relationship of the main characters of the television series ''

The X-Files ''The X-Files'' is an American science fiction on television, science fiction drama (film and television), drama television series created by Chris Carter (screenwriter), Chris Carter. The original series aired from September 10, 1993, to Ma ...

'' * March, Strathspey and Reel, common bagpipe tune set

Organizations and companies

Market Street Railway (nonprofit) Market Street Railway is San Francisco Municipal Railway's (Muni) 1,200-member non-profit preservation partner. It relies on private contributions to help maintain San Francisco Municipal Railway fleet#Historic streetcar fleet, San Francisco’s ...

, a historic preservation organization in San Francisco, California, U.S. *

Microsoft Research Microsoft Research (MSR) is the research subsidiary of Microsoft. It was created in 1991 by Richard Rashid, Bill Gates and Nathan Myhrvold with the intent to advance state-of-the-art computing and solve difficult world problems through technologi ...

, the research division of Microsoft *

Mountain Safety Research Mountain Safety Research, or MSR, is a producer of camping, hiking and mountaineering equipment, such as portable stoves, water filters, snowshoes, and tents. While specializing in lightweight and technical equipment, MSR's gear is designed fo ...

, a US company specializing in outdoor equipment * Mouvement social révolutionnaire, the French fascist party Revolutionary Social Movement *

Movimiento Social Republicano The Republican Social Movement (, MSR) was a far-right political party in Spain. It was registered at the Ministry of Interior on November 30, 1999, with offices in Barcelona. The following year it merged with Vértice Social Español to form what ...

, the Republican Social Movement political party in Spain * MSR - The Israel Center for Medical Simulation, Israeli institute for Simulation-Based Medical Education

Places

Misamis Oriental Misamis Oriental (; ; ), officially the Province of Misamis Oriental, is a Provinces of the Philippines, province located in the Regions of the Philippines, region of Northern Mindanao in the Philippines. The provincial capital, as well as its ...

, Philippines, a province ( ISO sub-national code) * Most Serene Republic, a title in the name of various countries *

Montserrat Montserrat ( , ) is a British Overseas Territories, British Overseas Territory in the Caribbean. It is part of the Leeward Islands, the northern portion of the Lesser Antilles chain of the West Indies. Montserrat is about long and wide, wit ...

(

ISO 3166-1 ISO 3166-1 (''Codes for the representation of names of countries and their subdivisions – Part 1: Country code'') is a standard defining codes for the names of countries, dependent territories, and special areas of geographical interest. It i ...

code)

Transportation

* EgyptAir (ICAO designator), an Egyptian airline *

Main supply route A main supply route (MSR) is the route or routes designated within an area of operations upon which the bulk of traffic flows in support of military operations and humanitarian operations. MSR is a term that is also used in insurgency and irregul ...

, a military operations supply route *

Market Street Railway (transit operator) The Market Street Railway Company was a commercial streetcar and bus operator in San Francisco. The company was named after the famous Market Street of that city, which formed the core of its transportation network. Over the years, the compan ...

, a defunct company in California, U.S. *

Maserati Maserati S.p.A. () is an Italian luxury vehicle manufacturer. Established on 1 December 1914 in Bologna, Italy, the company's headquarters are now in Modena, and its emblem is a trident. The company has been owned by Stellantis since 2021. Ma ...

, a luxury sports car company *

Michigan Shore Railroad The Michigan Shore Railroad is a short line railroad in the United States owned by Genesee & Wyoming that operates of track, connecting Fremont, Michigan, Fremont to CSX at West Olive, Michigan with trackage rights extending south to Holland, Mi ...

, US *

Muar State Railway The Muar State Railway (MSR) ''(Malay: Keretapi Kerajaan Muar ; Jawi: كريتاڤي كراجأن موار)'' was a railroad operating in the district of Muar in Johor, Malaya (now Malaysia). Significantly, the MSR was the second railway line ...

, a defunct railway formerly operating in the Johor Sultanate, British Malaya * Mumbai Suburban Railway, India *

Muş Airport Muş "Sultan Alparslan" Airport is an airport in Muş, Turkey Turkey, officially the Republic of Türkiye, is a country mainly located in Anatolia in West Asia, with a relatively small part called East Thrace in Southeast Europe. It bor ...

(IATA airport code), Turkey

Weapons

Modern sporting rifle Modern may refer to: History *Modern history ** Early Modern period ** Late Modern period *** 18th century *** 19th century *** 20th century ** Contemporary history * Moderns, a faction of Freemasonry that existed in the 18th century Philosophy ...

or AR-15 style rifle * Modular Sniper Rifle, a sniper rifle produced by Remington Arms * Magnum Sniper Rifle or Accuracy International Arctic Warfare, a bolt-action sniper rifle

Other uses

* Market Stability Reserve, a part of the

European Union Emission Trading Scheme The European Union Emissions Trading System (EU ETS) is a carbon emission trading scheme (or ''cap and trade'' scheme) that began in 2005 and is intended to lower greenhouse gas emissions in the EU. Cap and trade schemes limit emissions of spec ...

Milan–San Remo Milan–Sanremo (in italian language, Italian ''Milano-Sanremo''), also called "''The Spring classic''" or "''La Classicissima''", is an annual road bicycle racing, road cycling race between Milan and Sanremo, in Northwest Italy. With a distance ...

, an annual bicycle race * Mortgage servicing rights, the rights to collect mortgage payments from a borrower for the benefit of the lender *

Meyer Shank Racing Meyer Shank Racing (MSR; formerly Michael Shank Racing) is an American motorsport organization that competes in the IndyCar Series and the IMSA SportsCar Championship. History Atlantic Championship Michael Shank, co-owner of Meyer Shank Racing ...

, an American auto racing team {{disambiguation