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CM or its variants may refer to:




  • Centimorgan, a unit of recombinant frequency for measuring genetic linkage
  • Cervical mucus, a substance which plugs the opening of the cervix, changes in whose composition may affect conception
  • Cetyl myristoleate, a health supplement also abbreviated CMO
  • Chiari malformation, a narrowing of the skull which puts pressure on the cerebellum
  • Contingency management, a type of treatment where patients are rewarded (or, less often, punished) for their behavior
  • Contrast medium, substances used to enhance contrast in X-Ray imaging


  • C minor, abbreviated Cm, a minor scale or chord based on C
  • CM (school), a youth and community music organisation



  • C. M. Chang (born 1942), an Indian politician, belonging to Nagaland People's Front
  • C. M. Hallard (1865–1942), a British actor
  • C. M. Ismail, a Burmese cricketer in 1927
  • C. M. Leumane (died 1928), English born actor, singer, songwriter and librettist
  • C. M. Newton (born 1930), a basketball player and coach, and athletic director in Southeastern U.S.A.
  • C. M. Pennington-Richards (1911–2005), British film director and cinematographer
  • C. M. Sundaram (1919–2008), minister for local administration in Kerala from 1982 to 1987
  • C. M. Wight-Boycott (1910–1998), a British fighter pilot during the Second World War
  • CM Abdulla Moulavi (1933–2011), a Muslim scholar from Kerala, India
  • CM Ibrahim, a prominent Muslim politician in India during the 1990s
  • CM Murphy (born 1954), an Australian music and multimedia entrepreneur
  • CM Punk (born 1978), stage name of professional wrestler Phil Brooks


  • Cameroon, which has the ISO and FIPS country code "CM"
    • .cm, the country code top-level domain for Cameroon
  • CM postcode area, central Essex, England


  • Center of mass, the point at which an object's mass seems to be concentrated
  • Centimetre a unit of length equal to one hundredth of a metre
  • Circular mil, a unit of area equal to the area of a circle with a diameter of one mil
  • Copley medal, a scientific award given by the Royal Society
  • Coulomb-metre, SI unit of electrical dipole moment (symbol Cm)
  • Curium, a synthetic chemical element with the symbol "Cm" and atomic number 96



Other uses[edit]