MD or variants may refer to:

Academic degrees

Doctor of Medicine A Doctor of Medicine (abbreviated MD, from the Latin language, Latin ) is a medical degree, the meaning of which varies between different jurisdictions. In the United States, and some other countries, the ''MD'' denotes a professional degree of ph ...

(Latin: ''Medicinae Doctor'') * Doctor of Medicine in Ayurveda *

MD (Homeopathy) PhD is the highest degree in homoeopathy. Awarded after a minimum of 3 years and a maximum of 8 years in 6 streams as of now in India. Most Homoeopaths who are academics are pursuing PhD. Regulated by the Ministry of AYUSH. Central Council of Homoe ...

Arts, entertainment and media

* ''Main droite'' or ''mano destra'' ('right hand'), in music terminology *

Music director A music director, musical director or director of music is a 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 ...

* ''MDs'' (TV series), a 2002 American medical drama * ' ('Materials and discussions for the analysis of classical texts'), an Italian journal *

MDTV (Indonesian TV network) PT MDTV Media Televisi (MDTV, formerly known as NET. and Spacetoon Indonesia) is an Indonesian national private television broadcaster owned by MDTV Media Technologies and Industri Mitra Media under the auspices of MD Entertainment. This televis ...

Businesses and organizations

Managing director A chief executive officer (CEO), also known as a chief executive or managing director, is the top-ranking corporate officer charged with the management of an organization, usually a company or a nonprofit organization. CEOs find roles in variou ...

, or chief executive officer, of an organization *

Madagascar Airlines Madagascar Airlines is an airline based in Antananarivo, Madagascar.RE ...

, IATA airline code MD * MD, aircraft model prefix of

McDonnell Douglas McDonnell Douglas Corporation was a major American Aerospace manufacturer, aerospace manufacturing corporation and defense contractor, formed by the merger of McDonnell Aircraft and the Douglas Aircraft Company in 1967. Between then and its own ...

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 ...

, American aerospace manufacturer * MD Discount, Italian discount supermarket

Places

Moldova Moldova, officially the Republic of Moldova, is a Landlocked country, landlocked country in Eastern Europe, with an area of and population of 2.42 million. Moldova is bordered by Romania to the west and Ukraine to the north, east, and south. ...

, ISO country code MD *

Maryland Maryland ( ) is a U.S. state, state in the Mid-Atlantic (United States), Mid-Atlantic region of the United States. It borders the states of Virginia to its south, West Virginia to its west, Pennsylvania to its north, and Delaware to its east ...

, United States, US postal abbreviation MD

Science and technology

Chemistry and physics

Mendelevium Mendelevium is a synthetic chemical element; it has symbol Md ( formerly Mv) and atomic number 101. A metallic radioactive transuranium element in the actinide series, it is the first element by atomic number that currently cannot be produced ...

, symbol Md, a chemical element *

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 G ...

, a chemical warfare agent *

Membrane distillation Membrane distillation (MD) is a thermally driven separation process in which separation is driven by phase change. A hydrophobic membrane presents a barrier for the liquid phase, allowing the vapour phase (e.g. water vapour) to pass through the m ...

, a thermally driven separation process *

Millidarcy Darcy, Darci or Darcey may refer to different people such as: Science * Darcy's law, which describes the flow of a fluid through porous material * Darcy (unit), a unit of permeability of fluids in porous material * Darcy friction factor in the ...

(mD), a unit of fluid permeability *

Molecular dynamics Molecular dynamics (MD) is a computer simulation method for analyzing the Motion (physics), physical movements of atoms and molecules. The atoms and molecules are allowed to interact for a fixed period of time, giving a view of the dynamics ( ...

, a computer simulation method

Computing

* .md, Internet top-level domain for Moldova *

Markdown Markdown is a lightweight markup language for creating formatted text using a plain-text editor. John Gruber created Markdown in 2004 as an easy-to-read markup language. Markdown is widely used for blogging and instant messaging, and also used ...

, a lightweight markup language, file extension .md *

MiniDisc MiniDisc (MD) is an erasable magneto-optical disc-based data storage format offering a capacity of 60, 74, or 80 minutes of digitized audio. Sony announced the MiniDisc in September 1992 and released it in November of that year for sale i ...

, a discontinued erasable magneto-optical disc-based data storage format * md, or

mkdir (make directory) command (computing), command in the Unix, DOS, Digital Research, DR FlexOS, IBM OS/2, Microsoft Windows, and ReactOS operating systems is used to make a new directory (file systems), directory. It is also available in the Unified ...

, the "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, and ...

device driver

Medicine

Ménière's disease Ménière's disease (MD) is a disease of the inner ear that is characterized by potentially severe and incapacitating episodes of vertigo, tinnitus, hearing loss, and a feeling of fullness in the ear. Typically, only one ear is affected in ...

, a disorder of the inner ear *

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

Other uses in science and technology

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. ...

, a measure of statistical dispersion * Mesoscale discussion, in Storm Prediction Centers and Weather Prediction Centers *

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 – someti ...

Other uses

* MD,

1500 Year 1500 ( MD) was a leap year starting on Wednesday in the Julian calendar. The year 1500 was not a leap year in the proleptic Gregorian calendar. The year 1500 was the last year of the 15th century and the first year of the 16th century. ...

in Roman numerals *

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 Mixed martial arts (MMA) is a full-contact fighting combat sport, sport based on strike (at ...

, in full-contact combat sports * (''marque déposée'' 'trademark', alternatively rendered ^MD), a Unicode compound superscript character * Match Director in

International Practical Shooting Confederation The International Practical Shooting Confederation (IPSC) is the world's largest shooting sport association, and the largest and oldest within practical shooting. Founded in 1976, the IPSC nowadays affiliates over 100 regions from Africa, America ...

match * Md, an alternative for

Muhammad (name) Muhammad () is an Arabic given male name meaning 'praiseworthy'. The name comes from the passive participle of the Arabic verb (حَمَّدَ), meaning 'to praise', which itself comes from the Semitic root#Triconsonantal roots, triconsonantal ...

or Mohammed