M1

noun

The amount of cash in circulation plus the amount in bank accounts.

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Meanings

nounM1 (countable and uncountable, plural M1s)

plural M1s

  1. UScountableuncountablemoney supplyThe amount of cash in circulation plus the amount in bank accounts.
  2. countableuncountablemathematicsThe number two, as the first Mersenne prime.
  3. countableuncountablecomputingApple M1, a system on a chip designed by Apple which was introduced in 2020.
  4. countableuncountableengineeringA semi-automatic rifle that was the service rifle of the U.S. Army during World War II and the Korean War.
Cite this entry
APA

M1. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/M1

MLA

“M1.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/M1. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “M1,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/M1.

Source: M1 on Wiktionary, CC BY-SA 4.0.