DM, Dm, dm, or D.M. may stand for:

Academic titles and postnominals

Doctor of Management The Doctor of Management (DM or DMgt) is an applied research doctorate (or professional practice doctorate) with a degree focus in management, leadership, and organizational topics."

, an academic management degree *

Doctor of Medicine Doctor of Medicine (abbreviated M.D., from the Latin ''Medicinae Doctor'') is a medical degree, the meaning of which varies between different jurisdictions. In the United States, and some other countries, the M.D. denotes a professional degre ...

, commonly known as M.D. but archaically abbreviated as D.M. *

Doctor of Music The Doctor of Music degree (D.Mus., D.M., Mus.D. or occasionally Mus.Doc.) is a higher doctorate awarded on the basis of a substantial portfolio of compositions and/or scholarly publications on music. Like other higher doctorates, it is granted ...

, an academic music-performance degree, also known as DMA

Arts, entertainment, and media

Broadcasting

* ''Danger Mouse'' (TV series), a British animated television series *

WWDM WWDM (101.3 FM) is an urban adult contemporary radio station licensed to Sumter, South Carolina and serves the Columbia, South Carolina market. The Alpha Media outlet is licensed by the Federal Communications Commission (FCC) to broadcast with an ...

, a radio station licensed to Sumter, South Carolina, United States

Gaming

* Deathmatch (video games), a gameplay mode integrated into first-person shooter computer games * Dungeon Master, the game designer, storyteller and referee in ''Dungeons & Dragons''

Music

D minor D minor is a minor scale based on D, consisting of the pitches D, E, F, G, A, B, and C. Its key signature has one flat. Its relative major is F major and its parallel major is D major. The D natural minor scale is: Changes needed fo ...

, a minor scale or chord * ''DM'' (album), 2017, by Mexican singer Dulce María * "DM" (song), 2022, by fromis_9 *

Dance marathon Dance marathons (or marathon dances) are events in which people dance or walk to music for an extended period of time. They started as dance contests in the 1920s and developed into entertainment events during the Great Depression in the 1930s. I ...

, a multiple-day charity event on U.S. college campuses *

Depeche Mode Depeche Mode are an English electronic music band formed in Basildon, Essex, in 1980. The band currently consists of Dave Gahan (lead vocals and co-songwriting) and Martin Gore (keyboards, guitar, co-lead vocals and main songwriting). Depech ...

, an English synthpop band formed in 1980 *

Drum major (marching band) A drum major or field commander is the leader of a marching band, drum and bugle corps, or pipe band, usually positioned at the head of the band or corps. The drum major is often dressed in more ornate clothing than the rest of the band or c ...

, the leader of a marching band *

Death Metal Death metal is an extreme subgenre of heavy metal music. It typically employs heavily distorted and low-tuned guitars, played with techniques such as palm muting and tremolo picking; deep growling vocals; aggressive, powerful drumming, fe ...

, an extreme subgenre of heavy metal music

Social media

Digital marketing Digital marketing is the component of marketing that uses the Internet and online based digital technologies such as desktop computers, mobile phones and other digital media and platforms to promote products and services. Its development dur ...

Private message In computing, a private message, personal message, or direct message (abbreviated as PM or DM) refers to a private communication sent or received by a user of a private communication channel on any given platform. Unlike public posts, PMs are only ...

(also ''direct message'' or ''dm'')

In business and economics

Deutsche Mark The Deutsche Mark (; English: ''German mark''), abbreviated "DM" or "D-Mark" (), was the official currency of West Germany from 1948 until 1990 and later the unified Germany from 1990 until the adoption of the euro in 2002. In English, it ...

(1948–2002), the former currency of Germany (and West Germany) **

East German mark The East German mark (german: Mark der DDR ), commonly called the eastern mark (german: Ostmark, links=no ) in West Germany and after reunification), in East Germany only ''Mark'', was the currency of the German Democratic Republic (East Germ ...

(1951–1990)

Companies and products

Detroit and Mackinac Railway The Detroit and Mackinac Railway , informally known as the "Turtle Line", was a railroad in the northeastern part of the Lower Peninsula of the U.S. state of Michigan. The railroad had its main offices and shops in Tawas City with its main lin ...

dm-drogerie markt dm-drogerie markt (usually abbreviated as dm) is a chain of retail stores headquartered in Karlsruhe, Germany, offering cosmetics, healthcare items, household products and health food and drinks. The company was founded in 1973 when it opened i ...

, a German drugstore chain *

Dr. Martens Dr. Martens, also commonly known as Doc Martens, Docs or DMs, is a German-founded British footwear and clothing brand, headquartered in Wollaston in the Wellingborough district of Northamptonshire, England. Although famous for its footwear, D ...

, a brand of boots * DM, IATA code of

Arajet Arajet S.A. is an ultra low-cost startup airline based in Santo Domingo, Dominican Republic. Operations began on the 15th of September, 2022, with a flight to Barranquilla, Colombia. History Early operations In late 2014, Dominican Wings rec ...

* DM, then IATA code of

Maersk Air (), also known simply as Maersk (), is a Danish shipping company, active in ocean and inland freight transportation and associated services, such as supply chain management and port operation. Maersk was the largest container shipping line a ...

, a former Danish airline which operated from 1969 until 2005

Military

Designated marksman A designated marksman (DM), squad advanced marksman (AD) or squad designated marksman (SDM) is a military marksman role in an infantry squad. The term '' sniper'' was used in Soviet doctrine although the soldiers using the Dragunov SVD were th ...

, a soldier fulfilling the marksman role in an infantry squad *

Royal Naval Armaments Depot A Royal Naval Armament Depot (RNAD) is an armament depot (or a group of depots) dedicated to supplying the Royal Navy (as well as, at various times, the Royal Air Force, the British Army and foreign and Commonwealth forces). They were sister de ...

, Defense Munitions, sites are prefixed DM * A US Navy hull classification symbol: Light minelayer (DM)

Places

Davis–Monthan Air Force Base Davis–Monthan Air Force Base (DM AFB) is a United States Air Force base southeast of downtown Tucson, Arizona. It was established in 1925 as Davis–Monthan Landing Field. The host unit for Davis–Monthan AFB is the 355th Wing (355 WG) ass ...

, Tucson, Arizona, US *

Des Moines, Iowa Des Moines () is the capital and the most populous city in the U.S. state of Iowa. It is also the county seat of Polk County. A small part of the city extends into Warren County. It was incorporated on September 22, 1851, as Fort Des Moine ...

, the state capital * Dominica, an island nation in the Caribbean Sea (ISO 3166-1 alpha-2 code: DM)

Science, technology, and mathematics

Computing

.dm .dm is the Internet country code top-level domain (ccTLD) for the Commonwealth of Dominica in the eastern Caribbean. Registrants of a second-level .dm domain get the corresponding third-level names within .com.dm, .net.dm and .org.dm automatica ...

, Dominica's top-level Internet domain *

Dimensional modeling Dimensional modeling (DM) is part of the '' Business Dimensional Lifecycle'' methodology developed by Ralph Kimball which includes a set of methods, techniques and concepts for use in data warehouse design. The approach focuses on identifying th ...

, a set of techniques and concepts used in data warehouse design

Software

* ''Display Manager'', a window system for

Domain/OS Domain/OS is the discontinued operating system used by the Apollo/Domain line of workstations manufactured by Apollo Computer. It was originally launched in 1981 as AEGIS, and was rebranded to Domain/OS in 1988 when Unix environments were added ...

on Apollo/Domain workstations *

Device mapper The device mapper is a framework provided by the Linux kernel for mapping physical block devices onto higher-level ''virtual block devices''. It forms the foundation of the logical volume manager (LVM), software RAIDs and dm-crypt disk encrypti ...

, a component of the Linux kernel that supports logical volume management *

X display manager In the X Window System, an X display manager is a graphical login manager which starts a login session on an X server from the same or another computer. A display manager presents the user with a login screen. A session starts when a user ...

, a graphical login manager

Medicine

Degenerative myelopathy Canine degenerative myelopathy, also known as chronic degenerative radiculomyelopathy, is an incurable, progressive disease of the canine spinal cord that is similar in many ways to amyotrophic lateral sclerosis (ALS). Onset is typically after the ...

, a condition in dogs affecting the spinal cord *

Diabetes mellitus Diabetes, also known as diabetes mellitus, is a group of metabolic disorders characterized by a high blood sugar level (hyperglycemia) over a prolonged period of time. Symptoms often include frequent urination, increased thirst and increased ...

, a disease characterized by high blood sugar *

Difference due to memory Difference due to memory (Dm) indexes differences in neural activity during the study phase of an experiment for items that subsequently are remembered compared to items that are later forgotten. It is mainly discussed as an event-related potential ...

, a neural activity effect * Diminished motivation, a condition characterized by lack of motivation *

Double minute Double minutes are small fragments of extrachromosomal DNA, which have been observed in a large number of human tumors including breast, lung, ovary, colon, and most notably, neuroblastoma. They are a manifestation of gene amplification as a result ...

, fragments of extrachromosomal DNA in human tumors *

Myotonic dystrophy Myotonic dystrophy (DM) is a type of muscular dystrophy, a group of genetic disorders that cause progressive muscle loss and weakness. In DM, muscles are often unable to relax after contraction. Other manifestations may include cataracts, intell ...

(DM-1/2/3), a chronic muscle-wasting disease * n-Decyl β-D-Maltopyranoside, a

maltoside A maltoside is a glycoside with maltose as the glycone (sugar) functional group. Among the most common are alkyl maltosides, which contain hydrophobic alkyl chains as the aglycone. Given their amphoteric properties, these comprise a class of de ...

detergent used when purifying membrane proteins *

Dermatomyositis Dermatomyositis (DM) is a long-term inflammatory disorder which affects skin and the muscles. Its symptoms are generally a skin rash and worsening muscle weakness over time. These may occur suddenly or develop over months. Other symptoms may in ...

, an inflammatory systemic disorder affecting the skin, muscles, and other organs

Physics

Dark matter Dark matter is a hypothetical form of matter thought to account for approximately 85% of the matter in the universe. Dark matter is called "dark" because it does not appear to interact with the electromagnetic field, which means it does not ab ...

, in cosmology, hypothetical non-luminous matter *

Deformable mirror Deformable mirrors (DM) are mirrors whose surface can be deformed, in order to achieve wavefront control and correction of optical aberrations. Deformable mirrors are used in combination with wavefront sensors and real-time control systems in ada ...

Dispersion measure In optics, and by analogy other branches of physics dealing with wave propagation, dispersion is the phenomenon in which the phase velocity of a wave depends on its frequency; sometimes the term chromatic dispersion is used for specificity to o ...

, the amount of dispersion of radio waves by interstellar medium

Units of length

Decimetre The decimetre (symbol dm) or decimeter (American English) is a unit of length in the International System of Units (SI), equal to one tenth of a metre, ten centimetres, 100 millimetres or 3.937 inches. The common non-SI metric unit of volum ...

(dm), equal to ten centimetres *

Decametre A decametre ( International spelling as used by the International Bureau of Weights and Measures and by most English speaking countries, United States spelling dekameter or decameter,), symbol dam ("da" for the SI prefix deca-, "m" for the SI ...

(sometimes Dm), equal to ten metres * Data mile (DM), in radar, equal to 6000 feet

Other uses in science, technology and mathematics

Adamsite Adamsite or DM is an organic compound; technically, an arsenical diphenylaminechlorarsine, that can be used as a riot control agent. DM belongs to the group of chemical warfare agents known as vomiting agents or sneeze gases. First synthesized i ...

, a chemical agent used in riot control *

Differential Manchester Differential Manchester encoding (DM) is a line code in digital frequency modulation in which data and clock signals are combined to form a single two-level self-synchronizing data stream. In various specific applications, this method is also cal ...

encoding *

Distributed morphology In generative linguistics, Distributed Morphology is a theoretical framework introduced in 1993 by Morris Halle and Alec Marantz.Halle, Morris & Alec Marantz. 1993. 'Distributed Morphology and the Pieces of Inflection.' In The View from Building ...

, a theoretical framework in linguistics

Sports and recreation

Dallas Mavericks The Dallas Mavericks (often referred to as the Mavs) are an American professional basketball team based in Dallas. The Mavericks compete in the National Basketball Association (NBA) as a member of the Western Conference Southwest Division. The ...

, an NBA team * Danske Mesterskaber, the Danish Athletics Championships *

Defensive midfielder A midfielder is an outfield position in association football. Midfielders may play an exclusively defensive role, breaking up attacks, and are in that case known as defensive midfielders. As central midfielders often go across boundarie ...

, an association football position *

Divemaster A divemaster (DM) is a role that includes organising and leading recreational dives, particularly in a professional capacity, and is a qualification used in many parts of the world in recreational scuba diving for a diver who has supervisory respo ...

, in scuba diving * Dungeon monitor, a safety role in BDSM

Other uses

* ''

De minimis ''De minimis'' is a Latin expression meaning "pertaining to minimal things", normally in the terms ''de minimis non curat praetor'' ("The praetor does not concern himself with trifles") or ''de minimis non curat lex'' ("The law does not concern i ...

'', a Latin legal term * '' Diis Manibus'', a Latin epitaphial acronym *

SJ Dm3 Dm and Dm3 is a series of locomotives used by Swedish State Railways ( sv, Statens Järnvägar, SJ) and later Malmtafik i Kiruna (MTAS) for pulling iron ore trains on the Iron Ore Line in Sweden and Ofoten Line in Norway. A total of 39 double ...

, and Dm, Swedish locomotives *

District magistrate A District Collector-cum-District Magistrate (also known as Deputy Commissioner in some states) is an All India Service officer of the Indian Administrative Service (IAS) cadre who is responsible for ''land revenue collection'', ''canal revenu ...

, senior local role in the Indian Administrative Service *