MSR may refer to:

Science and technology

* Macrophage scavenger receptor, a receptor found in macrophages * Magnetic stripe reader, a device used to read magnetic stripe cards such as credit cards * M–sigma relation, in astrophysics * Mars sample return mission, a spaceflight mission to return rock and dust samples collected on Mars *

Mirror self-recognition The mirror test—sometimes called the mark test, mirror self-recognition (MSR) test, red spot technique, or rouge test—is a behavioral technique developed in 1970 by American psychologist Gordon Gallup Jr. as an attempt to determine whether an ...

, in animals through the mirror test * Molten salt reactor, an advanced nuclear reactor design

Computing

Machine state register A machine state register (MSR) is one of three process control registers present in the PowerPC processor architecture. Processors The implementation details of the machine state register will vary from model to model. Below are two representati ...

, a register used in PowerPC architectures * Model-specific register, a feature in x86 processors *

Microsoft Reserved Partition A Microsoft Reserved Partition (MSR) is a partition of a data storage device, which is created to reserve a portion of disk space for possible subsequent use by a Windows operating system installed on a separate partition. No meaningful data is st ...

, 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, a New York recording studio * The Most Serene Republic, a Canadian indie rock band * '' Metropolis Street Racer'', a Dreamcast racing game * Mid-season replacement, 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''

Organizations and companies

* Market Street Railway (nonprofit), 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 for ...

, a US company specializing in outdoor equipment *

Mouvement social révolutionnaire The Revolutionary Social Movement (in French: ''Mouvement Social Révolutionnaire'' MSR) was a fascist movement founded in France in September 1940. Its founder was Eugène Deloncle, who was previously associated with '' La Cagoule'' . The MSR ...

, the French fascist party Revolutionary Social Movement *

Movimiento Social Republicano The Republican Social Movement ( es, Movimiento Social Republicano, 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 Vé ...

, the Republican Social Movement political party in Spain *

MSR - The Israel Center for Medical Simulation MSR may refer to: Science and technology * Macrophage scavenger receptor, a receptor found in macrophages * Magnetic stripe reader, a device used to read magnetic stripe cards such as credit cards * M–sigma relation, in astrophysics * Mars samp ...

, Israeli institute for Simulation-Based Medical Education

Places

* 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, with r ...

(ISO 3166-1 code)

Transportation

EgyptAir Egyptair (Egyptian Arabic Egyptian Arabic, locally known as Colloquial Egyptian ( ar, العامية المصرية, ), or simply Masri (also Masry) (), is the most widely spoken vernacular Arabic dialect in Egypt. It is part of the Afro-A ...

(ICAO designator), an Egyptian airline * Main supply route, 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 company w ...

, 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 to CSX at West Olive, Michigan. The railroad began operations in 1990, and was purchased by RailAm ...

, 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 to ...

, 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 ( tr, Türkiye ), officially the Republic of Türkiye ( tr, Türkiye Cumhuriyeti, links=no ), is a transcontinental country located mainly on the Anatolian Peninsula i ...

(IATA airport code), Turkey

Weapons

Modern sporting rifle An AR-15-style rifle is any lightweight semi-automatic rifle based on the Colt AR-15 design. The original ArmaLite AR-15 is a scaled-down derivative of Eugene Stoner's ArmaLite AR-10 design. The then Fairchild Engine and Airplane Corporation d ...

or AR-15 style rifle *

Modular Sniper Rifle The Modular Sniper Rifle, or MSR, is a bolt-action sniper rifle developed and produced by Remington Arms for the United States Army. It was introduced in 2009, and was designed to meet specific United States Army and USSOCOM Precision 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 *

Milan–San Remo Milan–San Remo (in Italian ''Milano-Sanremo''), also called "''The Spring classic''" or "''La Classicissima''", is an annual road cycling race between Milan and Sanremo, in Northwest Italy. With a distance of 298 km (~185.2 miles) it is t ...

, 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, an American auto racing team {{disambiguation