MMO

M3M3O1
UK/ˌɛm.ɛmˈəʊ/US/ˌɛm.ɛmˈoʊ/

noun

Maximum operating Mach number; the Mach number which an aircraft should not exceed in the course of routine operation.

Less commonScrabble 7
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Meanings

nounMMO (plural MMOs)

plural MMOs

  1. abbreviationinitialismvideo gamesInitialism of massively multiplayer online game.
  2. aeronauticsMaximum operating Mach number; the Mach number which an aircraft should not exceed in the course of routine operation.
  3. abbreviationinitialismbiochemistryInitialism of methane monooxygenase, see Methane monooxygenase.

Synonyms & antonyms

Also see
massively multiplayer online game

Rhymes & wordplay

Anagrams

mom
Cite this entry
APA

MMO. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/MMO

MLA

“MMO.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/MMO. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “MMO,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/MMO.

Source: MMO on Wiktionary, CC BY-SA 4.0.