MD, Md, mD or md may refer to:
Places
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Moldova (ISO country code MD)
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Maryland (US postal abbreviation MD)
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Magdeburg (vehicle plate prefix MD), a city in Germany
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Mödling District (vehicle plate prefix MD), in Lower Austria, Austria
People
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Muhammad (name) or Mohammed (Md)
Arts, entertainment, and media
Music
* ' or ' (MD or m.d.; "right hand"), in piano scores
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Music director
A music(al) director or director of music is the person responsible for the musical aspects of a performance, production, or organization. This would include the artistic director and usually chief conductor of an orchestra or concert band, the d ...
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Mini Disc
MiniDisc (MD) is an erasable magneto-optical disc-based data storage format offering a capacity of 60, 74, and later, 80 minutes of digitized audio.
Sony announced the MiniDisc in September 1992 and released it in November of that year for ...
Other arts, entertainment, and media
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''MDs'' (TV series), 2002
* ', ("Materials and discussions for the analysis of classical texts"), an Italian journal
Brands and enterprises
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, IATA airline code
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McDonnell Douglas aircraft model prefix
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MD Helicopters
MD Helicopters, LLC. (formerly McDonnell Douglas Helicopter Systems) is an American aerospace manufacturer. It produces light utility helicopters for commercial and military use. The company was a subsidiary of Hughes Aircraft until 1984, when Mc ...
Science and technology
Biology and medicine
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Doctor of Medicine, a medical degree
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Medial dorsal nucleus, a cluster of neurons in the thalamus
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Muscular dystrophy
Muscular dystrophies (MD) are a genetically and clinically heterogeneous group of rare neuromuscular diseases that cause progressive weakness and breakdown of skeletal muscles over time. The disorders differ as to which muscles are primarily affe ...
, a group of diseases involving breakdown of skeletal muscles
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Ménière's disease, a disorder of the inner ear
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MD (Ayurveda), a degree in Indian medicine
Computing
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.md
.md is the Internet country code top-level domain (ccTLD) for Moldova
Moldova ( , ; ), officially the Republic of Moldova ( ro, Republica Moldova), is a landlocked country in Eastern Europe
Eastern Europe is a subregion of the Europe ...
, Internet top-level domain for Moldova
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Markdown (file extension .md), a format
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Microdrive
The Microdrive is a registered trademark for miniature, 1-inch hard disks produced by IBM and Hitachi. These rotational media storage devices were designed to fit in CompactFlash (CF) Type II slots. The release of similar drives by other ...
, a type of miniature hard drive
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mkdir
The mkdir (make directory) command in the Unix, DOS, DR FlexOS, IBM OS/2, Microsoft Windows, and ReactOS operating systems is used to make a new directory. It is also available in the EFI shell and in the PHP scripting language. In DOS, OS/2, ...
or
md, "make directory" command
* Multiple device, as in Linux
mdadm
mdadm is a Linux utility used to manage and monitor software RAID devices. It is used in modern Linux distributions in place of older software RAID utilities such as raidtools2 or raidtools.
mdadm is free software originally maintained by, ...
device driver
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Sega Genesis
The Sega Genesis, known as the outside North America, is a 16-bit Fourth generation of video game consoles, fourth generation home video game console developed and sold by Sega. It was Sega's third console and the successor to the Master Syst ...
or Mega Drive, a video game console
Other uses in science and technology
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Mean absolute difference
The mean absolute difference (univariate) is a Statistical dispersion#Measures of statistical dispersion, measure of statistical dispersion equal to the average absolute difference of two independent values drawn from a probability distribution. ...
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Mendelevium, symbol Md, a chemical element
* Mesoscale discussion in
Storm Prediction Centerssand
Weather Prediction Centers
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Methyldichloroarsine
Methyldichloroarsine, sometimes abbreviated "MD" and also known as methyl Dick, is an organoarsenic compound with the formula CH3AsCl2. This colourless volatile liquid is a highly toxic vesicant that has been used in chemical warfare.
History
Ge ...
, a chemical warfare agent
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Millidarcy (mD), a unit of fluid permeability
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Molecular dynamics
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Membrane distillation
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Earthquake duration magnitude
The concept of Earthquake Duration Magnitude – originally proposed by E. Bisztricsany in 1958 using surface waves only - is based on the realization that on a recorded earthquake seismogram, the total length of the seismic wavetrain – sometim ...
()
Other uses
* MD,
1500
Year 1500 (Roman numerals, MD) was a leap year starting on Wednesday of the Julian calendar. The year 1500 was not a leap year in the Proleptic Gregorian calendar.
The year was seen as being especially important by many Christians in Europe, ...
in Roman numerals
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Majority decision
A majority decision (MD) is a winning criterion in several full-contact combat sports, such as boxing, kickboxing, Muay Thai, mixed martial arts and others sports involving striking. In a majority decision, two of the three judges agree on which ...
, in full-contact combat sports
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Managing director, of a company
* Marque déposée or trademark in Canada in
Unicode subscripts and superscripts
* Match Director in
International Practical Shooting Confederation match
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Military districts of Russia, sometimes abbreviated as MD
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MDMA, sometimes abbreviated as MD
{{disambiguation