Source : WordNet®

Md
     n 1: a radioactive transuranic element synthesized by bombarding
          einsteinium with alpha particles (Md is the current
          symbol for mendelevium but Mv was formerly the symbol)
          [syn: {mendelevium}, {Mv}, {atomic number 101}]
     2: a licensed medical practitioner; "I felt so bad I went to
        see my doctor" [syn: {doctor}, {doc}, {physician}, {Dr.},
        {medico}]
     3: a Mid-Atlantic state; one of the original 13 colonies [syn:
        {Maryland}, {Old Line State}, {Free State}]
     4: a doctor's degree in medicine [syn: {Doctor of Medicine}]

Source : Free On-Line Dictionary of Computing

MD
     
        1.  {Mini Disk}.
     
        2.  {major delivery}.
     
        3. {message digest function}.
     
        (2001-12-02)

md
     
         The {country code} for Moldova.
     
        (1999-01-27)