MSM

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English[edit]

Abbreviation[edit]

MSM (uncountable)

  1. The mainstream media.
  2. (epidemiology) men who have sex with men; males who have sex with males
  3. (driving) mirror, signal, maneuver

Initialism[edit]

MSM

  1. (military, US) Meritorious Service Medal

Anagrams[edit]