Word.ws English Dictionary

mm

mm is the abbreviation of month.

mm is the alternative form of mmm.

Meaning of month

Noun

month (plural months or (UK colloquial) month)

  1. A period into which a year is divided, historically based on the phases of the moon.
    • July is my favourite month.
  2. A period of 30 days, 31 days, or some alternation thereof.
    • Holonyms: bimester < trimester < quadrimester < semester < year < gigasecond < century < kiloannum, kiloyear, millennium < terasecond < mega-annum, megayear < petasecond < giga-annum, gigayear < exasecond < zettasecond < yottasecond < ronnasecond < quettasecond
  3. (in plural, obsolete) A woman's period; menstrual discharge.
    • Sckenkius hath two other instances of two melancholy and mad women, so caused from the suppression of their months.1624, Democritus Junior [pseudonym; Robert Burton], The Anatomy of Melancholy: […], 2nd edition, Oxford, Oxfordshire: […] John Lichfield and James Short, for Henry Cripps, →OCLC

Meaning of mmm

Interjection

  1. (onomatopoeic) An emotional expression of satisfaction.
    • Mmm, this is a tasty pie!
  2. (onomatopoeic) An expression used to show thought, reflection, or confusion.
    • Mmm, I see what you mean.
  3. (onomatopoeic) Used to represent an utterance that is muffled or spoken with a full mouth (also spelled "mmph").
  4. (UK) Yes.
    • Danny: Have you got any food?
      I: Mmm! As a matter of fact, got a saveloy.1987, Withnail and I

Noun (1) capitalized: MM

MM (plural MMs)

  1. (abbreviation, initialism) Initialism of Master of Music.
  2. (abbreviation, initialism) Initialism of Master of Management.
  3. (abbreviation, initialism) Initialism of Master Mason.
  4. (abbreviation, initialism, amateur radio) Initialism of maritime mobile.
  5. (abbreviation, initialism) Initialism of middle marker.
  6. (abbreviation, initialism) Initialism of mile marker.
  7. (abbreviation, initialism) Initialism of man-month.
  8. (abbreviation, initialism) Initialism of mounted mint.
  9. (abbreviation) Abbreviation of million.
  10. (abbreviation, initialism) Initialism of market maker.
  11. (abbreviation, initialism) Initialism of mathematical morphology.
  12. (abbreviation, initialism, numismatic slang) Initialism of mintmark.
    • I have 5 rolls of Conn. and 2 rolls of Md Quarters, unc. and in tubes. Both states are Philadelphia and I would like to trade for Denver coins. I would like to trade both states even up, but would consider other states with a Denver MM. If you have any to trade please email me.2001 August 24, Don, “WTT Conn. and MD Quarters”, in rec.collecting.coins (Usenet), retrieved 04 Jan 2023
    • 2001 PROOF west point MM2004 May 20, Tom, “5/20 update*TRADE ONLY* 3,000 to 4,000 coins CIRCULATED COINS to trade for CIRCULATED coins”, in rec.collecting.coins (Usenet), retrieved 04 Jan 2023
  13. (abbreviation, initialism) Initialism of moving magnet, a type of phono cartridge.
  14. (abbreviation, initialism, operating systems) Initialism of memory management.

Noun (2) capitalized: MM

MM

  1. (plural) plural of M (“Monsieur”)

Proper noun capitalized: MM

MM

  1. The station code of Mahim Junction railway station in India.
  2. (abbreviation, initialism) Initialism of Majora's Mask.

Noun (3) capitalized: mM

mM (plural mM)

  1. millimole, millimoles

Forms of mm

pluralMMs
pluralmM

Phrases with mm

Questions about mm

What does mm mean?
Mm means the station code of Mahim Junction railway station in India.
What is mm the abbreviation of?
Mm is the abbreviation of month.
What part of speech is mm?
Mm can be a noun or a proper noun.
What is the plural of mm?
The plural of mm is MMs.

Words near mm in the dictionary

  1. MLW
  2. MLWN
  3. MLWS
  4. Mly
  5. Mlyniv
  6. mm
  7. mm hmm
  8. mm mm
  9. mm-hm
  10. mm-hmm
  11. mm-kay

Source and license

Adapted from Wiktionary: mm (page history and authors); MM (page history and authors); mM (page history and authors); month (page history and authors); mmm (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Wodencafe-mm.wav.

Cite this entry: “mm.” Word.ws, https://word.ws/mm. Based on Wiktionary, CC BY-SA 4.0.