m

1

abbreviation
  1. Physics. mass.

  2. Finance. (of bonds) matured.

  1. meter; meters.

  2. Music. minor.

Words Nearby m

Other definitions for m (2 of 14)

m2

Symbol, Electricity.
  1. magnetic pole strength.

Other definitions for 'm (3 of 14)

'm
[ m ]

  1. contraction of am:I'm not thirsty.

Other definitions for M (4 of 14)

M1

or m

[ em ]

noun,plural M's or Ms, m's or ms.
  1. the thirteenth letter of the English alphabet, a consonant.

  2. any spoken sound represented by the letter M or m, as in my, summer, or him.

  1. something having the shape of an M.

  2. a written or printed representation of the letter M or m.

  3. a device, as a printer's type, for reproducing the letter M or m.

  4. Printing. em.

Other definitions for M (5 of 14)

M2

abbreviation
  1. mach.

  2. Music. major.

  1. male.

  2. married.

  3. Medieval.

  4. medium.

  5. mega-.

  6. Middle.

  7. modal auxiliary.

  8. modifier.

  9. Economics. monetary aggregate: issued periodically by the Federal Reserve Board as various measures of money supply (M-1, M-1A, M-2 , etc.).: Compare L

  10. British. motorway (used with a road number to designate a major highway): the M1.

Other definitions for M (6 of 14)

M3

Symbol.
  1. the thirteenth in order or in a series.

  2. (sometimes lowercase) the Roman numeral for 1000.: Compare Roman numerals.

  1. Electricity. magnetization (def. 2).

  2. Biochemistry. methionine.

Other definitions for M'- (7 of 14)

M'-

  1. variant of Mac-.

Other definitions for m- (8 of 14)

m-

  1. (referring especially to the use of wireless electronic devices) mobile: m-commerce; m-business.

Other definitions for M- (9 of 14)

M-

  1. U.S. Military. (used to designate the production model of military equipment, as the M-1 rifle.)

Other definitions for m. (10 of 14)

m.1

abbreviation
  1. noon.

Origin of m.

10
From the Latin word merīdiēs

Other definitions for m. (11 of 14)

m.2

abbreviation
  1. (in prescriptions) mix.

Origin of m.

11
From the Latin word misce

Other definitions for m. (12 of 14)

m.3

abbreviation
  1. male.

  2. (in Germany) mark; marks.

  1. married.

  2. masculine.

  3. Physics. mass.

  4. medium.

  5. meter.

  6. middle.

  7. mile.

  8. minute.

  9. modification of.

  10. modulus.

  11. molar.

  12. month.

  13. moon.

  14. morning.

  15. mouth.

Other definitions for M. (13 of 14)

M.1

abbreviation
  1. noon.

Origin of M.

13
From the Latin word merīdiēs

Other definitions for M. (14 of 14)

M.2

abbreviation
  1. Majesty.

  2. Manitoba.

  1. markka; markkaa.

  2. Marquis.

  3. Music. measure.

  4. medicine.

  5. medium.

  6. meridian.

  7. Monday.

  8. plural MM. Monsieur.

  9. mountain.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use m in a sentence

British Dictionary definitions for m (1 of 9)

m

symbol for
  1. metre(s)

  2. mile(s)

  1. milli-

  2. minute(s)

British Dictionary definitions for m (2 of 9)

m

M

/ (ɛm) /


nounplural m's, M's or Ms
  1. the 13th letter and tenth consonant of the modern English alphabet

  2. a speech sound represented by this letter, usually a bilabial nasal, as in mat

British Dictionary definitions for 'm (3 of 9)

'm

contraction of
  1. (verb) am

  2. (noun) madam: yes'm

British Dictionary definitions for M (4 of 9)

M

symbol for
  1. mach

  2. medium (size)

  1. mega-

  2. currency mark(s)

  3. million

  4. astronomy Messier catalogue; a catalogue published in 1784, in which 103 nebulae and clusters are listed using a numerical system: M13 is the globular cluster in Hercules

  5. Middle

  6. physics modulus

  7. (in Britain) motorway: the M1 runs from London to Leeds

  8. (in Australia)

    • mature audience (used to describe a category of film certified as suitable for viewing by anyone over the age of 15)

    • (as modifier): an M film

  9. logic the middle term of a syllogism

  10. physics mutual inductance

  11. chem molar

  12. (Roman numeral) 1000: See Roman numerals

abbreviation for
  1. Malta (international car registration)

British Dictionary definitions for M'- (5 of 9)

M'-

prefix
  1. a variant of Mac-

British Dictionary definitions for m- (6 of 9)

m-

prefix
  1. indicating the use of mobile-communications technology: m-banking

British Dictionary definitions for m- (7 of 9)

m-

prefix
  1. short for meta- (def. 4)

British Dictionary definitions for m. (8 of 9)

m.

abbreviation for
  1. cricket maiden (over)

  2. male

  1. mare

  2. married

  3. masculine

British Dictionary definitions for M. (9 of 9)

M.

abbreviation for
  1. Majesty

  2. (in titles) Member

  1. million

  2. Also: M plural MM or MM French Monsieur

  3. mountain

Origin of M.

9
sense 4) French equivalent of Mr

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for m

m

  1. Abbreviation of mass, meter

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.