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See also: md, Md, .md, m/d, md., Md., m.d., M.D., and M. D.


Alternative forms[edit]


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MD (upper case Roman numeral)

  1. one thousand five hundred (1500).

Proper noun[edit]


  1. The ISO 3166-1 two-letter (alpha-2) code for Moldova.


Alternative forms[edit]

Proper noun[edit]


  1. Abbreviation of Maryland., a state of the United States of America.


MD (plural MDs)

  1. (US) Symbol indicating a medical degree; medical physician or medical doctor; doctor(ate) of medicine
    1. Initialism of medical doctor. (medical physician; medical surgeon)
    2. Initialism of doctorate of medicine. (medical degree)
  2. (Britain) Medicinae Doctor: symbol indicating a higher research doctorate in medicine; Doctor of Medicine
  3. Abbreviation of managing director.
  4. Short for MiniDisc.
  5. (military, US) Initialism of Marine detachment.
  6. Abbreviation of magnetodynamics.


MD (not comparable)

  1. Abbreviation of magnetodynamic.

Related terms[edit]

  • MHD (magnetohydrodynamic)
  • MPD (magnetoplasmadynamic)