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

Related pages

• Medium (disambiguation)

This disambiguation page lists articles associated with the title MD. If an internal link led you here, you may wish to change the link to point directly to the intended article.