MD

MD, Md, mD or md may refer to:

Places

• Moldova (ISO country code MD)
• Maryland (United States postal abbreviation MD)
• Magdeburg (vehicle plate prefix MD), a city in Germany
• Mödling District (vehicle plate prefix MD), in Lower Austria, Austria

People

• Major Douglas (1879–1952), British Engineer and pioneer of the Social Credit economic reform movement
• Muhammad (name) or Mohammed (Md)

Arts, entertainment, and media

Music

• Main droite or mano destra (MD or m.d.), used in piano scores to mark sequences of notes that are to be played with the right hand
• MiniDisc, an optical storage medium developed by Sony
• Music director; the term "MD" is used particularly in musical theatre

Other arts, entertainment, and media

• MDs (TV series), a 2002 made-for-television medical drama
• Materiali e discussioni per l'analisi dei testi classici, ("Materials and discussions for the analysis of classical texts"), an Italian classics journal
• Mega Drive, a game console produced by Sega

Brands and enterprises

• Air Madagascar (IATA airline code MD)
• McDonnell Douglas (aircraft model prefix MD), a former aerospace manufacturer that later merged with Boeing

Science and technology

Biology and medicine

• Doctor of Medicine (MD), from the Latin Medicinae Doctor
• Medial dorsal nucleus, a large nucleus in the thalamus
• Muscular dystrophy, a genetic and hereditary muscle disease
• MD (Ayurveda), a degree in the Indian medical system of Ayurveda

Computing

• .md, Internet top-level domain for Moldova
• Markdown (file extension .md), a format
• mdadm (multiple device), a device driver used to support RAID in the Linux kernel
• Message-digest algorithm, a cryptographic hashing function
• Microdrive, a type of miniature hard drive
• mkdir or md, an operating system command to create a directory

Other uses in science and technology

• Mean absolute difference, a measure of statistical dispersion
• Mendelevium (Md), a chemical element
• Mesoscale discussion, a short-term technical meteorological forecast concerning convection; See Storm Prediction Center or Weather Prediction Center
• Methyldichloroarsine, a blister agent used in chemical warfare
• Millidarcy (mD), a unit of fluid permeability
• Molecular dynamics, a method of computer simulation of molecular interaction
• Membrane distillation, a process of membrane filtration
• Earthquake duration magnitude (M_d )

Other uses

• MD, 1500 in Roman numerals
• Majority decision, a winning criterion in several full-contact combat sports
• Man-day, amount of work performed by the average worker in one day
• Managing director, a chief executive
• Marque déposée (MD), an international trademarking symbol in countries where French is the dominant language; See Unicode subscripts and superscripts
• Match Director (MD), person who handles the overall match administration before, after and during an International Practical Shooting Confederation match
• Memorial Day

See also

• Medium (disambiguation)