mm

M3M3

proper noun

The station code of Mahim Junction railway station in India.

Very commonScrabble 6

Meanings

mm1

noun
  1. abbreviationAbbreviation of month, in two-digit numeric format, as in: dd/mm/yyyy.
interjection
  1. alternativeAlternative form of mmm.

MM2

nounMM (plural MMs)

plural MMs

  1. abbreviationinitialismeducationInitialism of Master of Music.
  2. abbreviationinitialismeducationInitialism of Master of Management.
  3. abbreviationinitialismFreemasonryInitialism of Master Mason.
  4. abbreviationinitialismamateur radioInitialism of maritime mobile.
  5. abbreviationinitialismaeronauticsInitialism of middle marker.
  6. abbreviationinitialismInitialism of mile marker.
  7. abbreviationinitialismInitialism of man-month.
  8. abbreviationinitialismhobbiesInitialism of mounted mint.
  9. abbreviationbusinessAbbreviation of million.
  10. abbreviationinitialismbusinessInitialism of market maker.
  11. abbreviationinitialismmathematicsInitialism of mathematical morphology.
  12. abbreviationinitialismnumismatic slangInitialism of mintmark.

    2001 PROOF west point MM

    2004 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
    2 more examples

    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

    I know. We should include whatever pleases us. But I cringe at the thought of having to budget for a nice BU 1917 WL with the obverse MM if most type set collectors don't consider it a variety to include.

    2009 September 1, Bruce Remick, “WL 50¢ 1917 obverse MM in Type Set?”, in rec.collecting.coins (Usenet), retrieved 03 Jan 2023
  13. abbreviationinitialismaudioInitialism of moving magnet, a type of phono cartridge.
  14. abbreviationinitialismoperating systemsInitialism of memory management.
noun
  1. pluralplural of M (“Monsieur”)
proper noun
  1. rail transportThe station code of Mahim Junction railway station in India.
  2. abbreviationinitialismvideo gamesInitialism of Majora's Mask.

mM3

nounmM (plural mM)

Synonyms & antonyms

nouna metric unit of length equal to one thousandth of a meter

Broader
metric linear unit

Synonym sets from Open English WordNet, CC BY 4.0.

Cite this entry
APA

mm. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/mm

MLA

“mm.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/mm. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “mm,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/mm.

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