DM
Noun

DM

  1. (computing, DWH) Initialism of dimensional modeling}.
  2. (logic) Initialism of De Morgan’s law.
    • 2004 August, J. L. Schellenberg, “The Atheist’s Free Will Offence” in the International Journal for Philosophy of Religion, volume 56, № 1, pages 11–12
      Let ‘F’ stand for the state of affairs that consists in finite persons possessing and exercising free will. Let ‘p’ stand for ‘God exists’; ‘q’ for ‘F obtains’; ‘r’ for ‘F poses a serious risk of evil’; and ‘s’ for ‘There is no option available to God that counters F.’ With this in place, the argument may be formalized as follows:
      (1) [(p & q) & r] → s Premiss
      (2) ~s        Premiss
      (3) ~[(p & q) & r]   1, 2 MT
      (4) ~(p & q) v ~r    3 DM
      (5) r         Premiss
      (6) ~(p & q)      4, 5 DS
      (7) ~p v ~q      6 DM
      (3) follows from the conjunction of (1) and (2) by modus tollens; De Morgan’s law applied to (3) yields (4); (4) and (5) together lead to (6) by disjunctive syllogism; and another application of De Morgan’s law takes us from (6) to the final conclusion, according to which either God exists or there is free will (but not both).
  3. (money) Initialism of Deutsche Mark#English|Deutsche Mark.
    Synonyms: DEM
  4. (nutrition) Initialism of dry#English|dry matter#English|matter.
  5. (disease) Initialism of diabetes mellitus#English|diabetes mellitus.
  6. (organic compound) adamsite, diphenylaminechlorarsine
  7. (pharmaceutical drug) Abbreviation of dextromethorphan#English|dextromethorphan; also DXM.
  8. (rail transport, in multiple unit formations) driving motor car
  9. (RPG) Initialism of dungeon master
    Synonyms: GM, ST
  10. (internet) Initialism of direct message type of message on social media platforms.
    • 2012, Scott Stratten, ‎Alison Kramer, UnMarketing: Stop Marketing. Start Engaging
      He later sent me a DM mentioning that he would send me what he wears because he does a lot of walking. This is where the relationships online can get a wee bit weird.
    cot en
  11. Initialism of duty manager
Verb

DM (DMs, present participle DMing; past and past participle DMed)

  1. To Dungeon Master; to perform as a dungeon master; to run a tabletop role-playing game, especially Dungeons and Dragons.
  2. To communicate by direct message, usually on a social website.
Synonyms
  • (dungeon master) GM
Proper noun
  1. (UK) Initialism of Daily Mail}. a national newspaper



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