DM

DM or dm may stand for:

Science

• Decimetre (dm), a unit of length in the metric system
• Adamsite, a chemical agent used in riot control
• Dextromethorphan, an antitussive (anti-coughing) drug that is found in many over-the-counter cold and cough preparations
• Diabetes mellitus, a disease characterized by high blood sugar
• Doctor of Management (D.M.), an academic degree awarded for advanced study and research in management
• Doctor of Medicine, an academic degree for medical doctors at a few English and Indian Universities
• HLA-DM, an intracellular protein that removes CLIP from MHC Class II during antigen processing
• Dispersion measure, a quantity used to describe the amount of dispersion of radio waves by the interstellar medium.
• Dystrophia myotonica, also known as myotonic dystrophy, DM-1, DM-2 or DM-3, are inherited disorders that can affect multiple systems.

Computing

• DM (computing), the default window system for Apollo/Domain workstations running AEGIS (Domain/OS) operating system
• Data mart, a specialized version of a data warehouse
• Data mining, the process of automatically searching large volumes of data for patterns
• Device Management, a standard where users do not have to worry about managing the software on their mobile phone
• Device-mapper, a component of the Linux kernel that supports logical volume management
• Dream Maker, the programming language/compiler bundled with the BYOND suite of programs
• Digital Mars, a small American software company

Art and culture

• DangerMouse, a British animated television series
• Digital Media, a Masters level program offered at Georgia Institute of Technology
• Danger Mouse (born 1977), American musical artist and producer
• Deathmatch (gaming), a widely-used gameplay mode integrated into first-person shooter computer games
• Death metal, a musical style evolving from thrash metal
• Dennis Miller (born 1953), American entertainer, stand-up comedian, political and social commentator and television personality
• Depeche Mode, an English electronic rock band formed in 1980.
• Disarmonia Mundi, an Italian melodic death metal band from Turin.
• Cantor's diagonal argument (diagonal method), a compositional rule of thumb in photography
• DrumMania, a music video game
• Duel Masters Trading Card Game, a popular collectible card game in Japan, Europe, and North America
• Dungeon Master, a selected player who describes the game to the other players in the role-playing game Dungeons & Dragons

Social sciences and society

• Dominica, an island nation in the Caribbean Sea not to be confused with the Dominican Republic
  • DM, the nation's ISO 3166-1 alpha-2 code
  • .dm, the nation's country code top-level domain
• Direct marketing or direct mail, a type of marketing that attempts to send its messages directly to consumers.
• Designated marksman, a military marksman role in a U.S. infantry squad that uses a scoped semi-automatic weapon to engage medium to long-range targets
• Dance Marathon, a multiple-day charity event on United States college campuses to raise money for local charitable organizations
• Deutsche Mark, former official currency of Germany used between 1948 and 2002, when it was replaced by the Euro
• Mark der DDR (East German mark or eastern mark), former official currency of the German Democratic Republic (East Germany) used between 1951 and 1990, initially called the Deutsche Mark
• Dungeon monitor, a safety official at BDSM parties
• Maersk Air (IATA code DM), a former Danish airline which operated from 1969 to 2005

Music

• Definitely Maybe, the debut album by British rock band Oasis
• Death Magnetic, Metallica's ninth studio album

Other

• Dr. Martens boots
• Dean Malenko, pro wrestler
• Dave Mustaine, musician
• David Miscavige, Chair of RTC
• SJ Dm3, a Swedish locomotive
• Defence Munitions <name>, an UK Defence Munitions centre, e.g. DM Beith
• Defensive Midfielder, football positioning