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
  • <code>md</code>, 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, 1500 in Roman numerals
  • Majority decision, in full-contact combat sports
  • (marque déposée 'trademark', alternatively rendered <sup>MD</sup>), 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)