MD or variants may refer to:

Academic degrees Doctor of Medicine () Doctor of Medicine in Ayurveda MD (Homeopathy)

Arts, entertainment and media Main droite or mano destra ('right hand'), in music terminology Music director MDs (TV series), a 2002 American medical drama ('Materials and discussions for the analysis of classical texts'), an Italian journal MDTV (Indonesian TV network)

Businesses and organizations Managing director, or chief executive officer, of an organization Madagascar Airlines, IATA airline code MD MD, aircraft model prefix of McDonnell Douglas MD Helicopters, American aerospace manufacturer MD Discount, Italian discount supermarket

Places Moldova, ISO country code MD Maryland, United States, US postal abbreviation MD

Science and technology Chemistry and physics Mendelevium, symbol Md, a chemical element Methyldichloroarsine, a chemical warfare agent Membrane distillation, a thermally driven separation process Millidarcy (mD), a unit of fluid permeability Molecular dynamics, a computer simulation method

Computing .md, Internet top-level domain for Moldova Markdown, a lightweight markup language, file extension .md MiniDisc, a discontinued erasable magneto-optical disc-based data storage format md, or mkdir, the "make directory" command Multiple device, as in Linux mdadm device driver

Medicine Ménière's disease, a disorder of the inner ear Muscular dystrophy, a group of diseases involving breakdown of skeletal muscles Muscle dysmorphia, a subtype of the body dysmorphic disorder

Other uses in science and technology Mean absolute difference, a measure of statistical dispersion Mesoscale discussion, in Storm Prediction Centers and Weather Prediction Centers Earthquake duration magnitude,

Other uses MD 20/20, a brand of fortified wine MD, 1500 in Roman numerals Majority decision, in full-contact combat sports (marque déposée 'trademark', alternatively rendered MD), a Unicode compound superscript character Match Director in International Practical Shooting Confederation match Md, an alternative for Muhammad (name) or Mohammed

See also

DM (disambiguation) MDS (disambiguation)