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  • m
    m
    abbreviation
  • 'm
    'm
    contraction of am.
  • M
    M
    noun
    the thirteenth letter of the English alphabet, a consonant.
  • M'-
    M'-
    variant of Mac-.
  • m-
    m-
  • M-
    M-
    (used to designate the production model of military equipment, as the M-1 rifle.)
  • m.
    m.
    abbreviation
    noon.
  • M.
    M.
    abbreviation
    noon.

m

1 American  

abbreviation

  1. Physics. mass.

  2. Finance. (of bonds) matured.

  3. medieval.

  4. medium.

  5. meter; meters.

  6. middle.

  7. Music. minor.


m 2 American  
Symbol, Electricity.
  1. magnetic pole strength.


'm 3 American  
[m] / m /
  1. contraction of am.

    I'm not thirsty.


M 4 American  
[em] / ɛm /
Or m

noun

  • M's,
    plural
  • Ms,
    plural
  • m's,
    plural
  • ms
    plural
  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.

  3. something having the shape of an M.

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

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

  6. Printing. em.


M 5 American  

abbreviation

  1. mach.

  2. Music. major.

  3. male.

  4. married.

  5. Medieval.

  6. medium.

  7. mega-.

  8. Middle.

  9. modal auxiliary.

  10. modifier.

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

  12. British. motorway (used with a road number to designate a major highway).

    the M1.


M 6 American  
Symbol.
  1. the thirteenth in order or in a series.

  2. (sometimes lowercase) the Roman numeral for 1000.

  3. Electricity. magnetization.

  4. Biochemistry. methionine.


M'- 7 American  
  1. variant of Mac-.


m- 8 American  
  1. meta-.

  2. (referring especially to the use of wireless electronic devices) mobile.

    m-commerce; m-business.


M- 9 American  
  1. U.S. Military. (used to designate the production model of military equipment, as the M-1 rifle.)


m. 10 American  

abbreviation

  1. noon.


m. 11 American  

abbreviation

  1. (in prescriptions) mix.


m. 12 American  

abbreviation

  1. male.

  2. (in Germany) mark; marks.

  3. married.

  4. masculine.

  5. Physics. mass.

  6. medium.

  7. meter.

  8. middle.

  9. mile.

  10. minute.

  11. modification of.

  12. modulus.

  13. molar.

  14. month.

  15. moon.

  16. morning.

  17. mouth.


M. 13 American  
Or m.

abbreviation

  1. noon.


M. 14 American  

abbreviation

  • MM
    plural
  1. Majesty.

  2. Manitoba.

  3. markka; markkaa.

  4. Marquis.

  5. Music. measure.

  6. medicine.

  7. medium.

  8. meridian.

  9. Monday.

  10. Monsieur.

  11. mountain.


m 1 British  
/ ɛm /

noun

  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

"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

'm 2 British  

contraction

  1. (verb) am

  2. (noun) madam

    yes'm

"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

m 3 British  

symbol

  1. metre(s)

  2. mile(s)

  3. milli-

  4. minute(s)

"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

M'- 4 British  

prefix

  1. a variant of Mac-

"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

M 5 British  

symbol

  1. mach

  2. medium (size)

  3. mega-

  4. currency mark(s)

  5. million

  6. 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

  7. Middle

  8. physics modulus

  9. (in Britain) motorway

    the M1 runs from London to Leeds

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

    2. ( as modifier )

      an M film

  10. logic the middle term of a syllogism

  11. physics mutual inductance

  12. chem molar

  13. 1000 See Roman numerals

"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

abbreviation

  1. Malta (international car registration)

"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
m- 6 British  

prefix

  1. short for meta-

"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

m. 7 British  

abbreviation

  1. cricket maiden (over)

  2. male

  3. mare

  4. married

  5. masculine

"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

m- 8 British  

prefix

  1. indicating the use of mobile-communications technology

    m-banking

"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

M. 9 British  

abbreviation

  1. Majesty

  2. (in titles) Member

  3. million

  4. Also: M.  Monsieur

  5. mountain

"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

m Scientific  
  1. Abbreviation of mass, meter


Other Word Forms

Noun Inflected Forms

Etymology

Origin of m.10

From the Latin word merīdiēs

Origin of m.11

From the Latin word misce

Origin of M.13

From the Latin word merīdiēs

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The wreckage was scattered across 37,000 sq m, the equivalent of five football pitches, as the plane collided with accommodation for medical students, and broke apart.

From BBC Jun. 11, 2026

These animals were 'crocodile-like' relatives of today's salamanders and frogs and could reach lengths of up to 2 m.

From Science Daily Feb. 25, 2026

“I m not sure why he was sanctimonious and agressive when detailing the harvey weinstein allegations,” Epstein wrote. “now watching the overlay , its amazing.”

From Salon Feb. 6, 2026

Some species were small, squid-eating hunters measuring less than 1 m long, while others were enormous apex predators exceeding 5 m in length.

From Science Daily Dec. 30, 2025

When they appear m a great flooding mess, as they so often do when they have destroyed a victim, they look like a tub of spaghetti that has been dumped on theT floor.

From "The Hot Zone" by Richard Preston

“I ‘m not going back to Woodstock for a while / Though I love to see that lonesome hippie smile,” sang Neil Young in 1974.

From Los Angeles Times Nov. 12, 2023

This is what people say when I first tell them I ’m on the spectrum.

From Scientific American Apr. 7, 2022

“I miss him terribly, but not in the state that he was. He’s at peace, and I ‘m OK with that.

From Seattle Times Jan. 7, 2022

I ’m not one to switch bags often, so I have just one that serves as many functions as a bag can have.

From The Verge Sep. 8, 2017

Then I wrote a small ‘i’ and a small ‘m.’

From "The Great Santini" by Pat Conroy

The book examines M in her antiseptic superstar’s habitat, sketching scenes of her business meetings, social outings, spa treatments and public events.

From The Wall Street Journal Aug. 18, 2026

The "M" refers to the Mighei meteorite, which fell in Ukraine in 1889.

From Science Daily Aug. 8, 2026

When asked about the lobbying effort, Chavira referred questions to M Strategic Communications, a lobbying firm retained by Lineage two days after the fire to provide crisis communications and other services.

From Los Angeles Times Jul. 10, 2026

“Overall, this was a mixed-to-negative print: revenue was only modestly light, but profitability and cash flow were the real issues,” wrote Vinci Zhang, a research analyst at data firm M Science.

From Barron's May 12, 2026

I took the M for Merriam and the W for Webster; just in case, and brought the heavy, leather-bound books over to a table.

From "P.S. Be Eleven" by Rita Williams-Garcia

Benzene, for instance, is easily converted into the m-disulphonic acid by gently heating with fuming sulphuric acid; stronger heating converts the m- into the p-disulphonic acid, and at 190° C. the trisulphonic acid is formed.

From Synthetic Tannins by Georg Grasser

Th-That was F-Father's idea of m-making m- m-merry.

From The Voyage of the Hoppergrass by Edmund Lester Pearson

Similarly, condensation of different samples of crude cresol containing varying quantities of o-, m-, and p-cresol did not yield end-products sufficiently different to justify describing them in detail.

From Synthetic Tannins by Georg Grasser

It is hence possible to employ crude cresol, which contains varying quantities of the o-, m-, and p-compounds, in the manufacture of these tanning matters.

From Synthetic Tannins by Georg Grasser

The M- | 11, with a range of about 180 miles, is capable of carrying nuclear warheads.

From Time Magazine Archive

Soft- drink vendors hawked their wares as rebel soldiers slouched atop U.S.-made M- 41 tanks, idly awaiting victory.

From Time Magazine Archive

Another major irritant was introduced last August when the U.S. imposed a ban on the sale of sensitive technology to China, claiming Beijing had violated an international agreement by selling M- 11 missiles to Pakistan.

From Time Magazine Archive

There hath arrived an inroad of farmers to-night; and I go to avoid them to M- if he's disengaged, to the R.'s if not.

From Letters of Robert Louis Stevenson — Volume 1 by Robert Louis Stevenson

The poor little water-tortoises have been killed by drought, and I can’t get any, but I have the two of my own catching for M-.

From Letters from the Cape by Lady Lucie Duff Gordon

On Thursday at 1 p. m., a service will be held at Acacia Memorial Park in Lake Forest Park, with full military honors.

From Seattle Times Jan. 31, 2022

Tours: Tuesday through Saturday from 12:45 p.m. to 3 p. m., subject to availability.

From Washington Post Feb. 7, 2019

Lobbying groups for bees remain small, but funding from groups such as Project Apis m., which has contributed $6 million toward bee research since 2006, is helping uncover methods to protect bee populations.

From Washington Times Aug. 28, 2016

Danielle Downey, director of operations for the nonprofit group Project Apis m., examines bees on a frame.

From National Geographic Jun. 27, 2016

Another said “loogootee in. 5.16.11,” then there was “stuigis m. 8.30.12” and “gary in. 6.13.12,” and the last one said, “flint m. 8.11.11.”

From "Bud, Not Buddy" by Christopher Paul Curtis

Harvard President Alan M. Garber says the university formed a task force to combat antisemitism.

From Los Angeles Times Aug. 13, 2026

"We're advising that you continue to give children a vaccine that has decades of safety data," added Aaron M. Milstone, a member of the AAP Committee on Infectious Diseases.

From Barron's Aug. 10, 2026

Lime, with one long-term shareholder, George M. Doumet, controlling a stake of more than 60% through Inberdon Enterprises, as verified by FactSet.

From MarketWatch Jul. 15, 2026

“It’s not a magic bullet,” said Jeffrey M. Hirsch, a professor of law at the University of North Carolina who studies employment issues.

From The Wall Street Journal Jul. 14, 2026

“It is in order for Chauncey M. Depew to hand in his resignation as Chicago’s adopted son. Chicago wants no more of him.”

From "The Devil in the White City" by Erik Larson

It was a feast day and everyone was celebrating, but M's daughter stayed in her room crying.

From Barron's Aug. 11, 2026

According to the post, Lebo M’s team has contacted Jonasi to “explore the possibility of a structured settlement.”

From Los Angeles Times Mar. 27, 2026

“The Disappearing Act” is more of a thought experiment about M’s effort to become “invisible and free.”

From The Wall Street Journal Mar. 26, 2026

The £1.4m takeover by Warpaint will see the closure of Barry M's factory in the capital and puts 100 jobs at risk.

From BBC Feb. 9, 2026

Tanisha’s up there with all the B’s, and here I am standing in my holey tube socks, sandwiched between all the M’s and N’s, with Beatriz tailing right behind me.

From "Like Vanessa" by Tami Charles

In an email to Ms Carr, the EA said: "We take illegal waste offences seriously and will use the powers available to us to investigate and, where appropriate, take enforcement action against those responsible."

From BBC Aug. 10, 2026

Ms Mullan said she tried to save her family and that night would haunt her forever.

From BBC Jul. 31, 2026

Ms Mullan said her husband was about to turn 50 three weeks after the tragedy, adding some of his presents remain unopened in their home.

From BBC Jul. 31, 2026

"It is obvious that Ms Ghost, a 49 year old woman, should have appreciated the inappropriateness of her conduct regardless of whether there was any sexual motivation or conduct," the judgement read.

From Barron's Jul. 22, 2026

We've all got strong opinions here, and \Ms our responsibility to get them heard.

From "The Remains of the Day" by Kazuo Ishiguro

Why is it that the three m’s seem to have so much bipartisan appeal?

From Slate Nov. 6, 2020

Ryan, what's the pitching rotation going to look like in a couple years for the m's?

From Seattle Times Aug. 18, 2019

Part of the reason the m's haven't moved Ichiro is the poor hitting by Justin Smoak until very recently.

From Seattle Times May 15, 2012

Among the telltale tidbits scrutinized are the size and slant of the script, how the t's are crossed and whether the m's and n's are round, pointed or wedge-shaped.

From Time Magazine Archive

I was regretful at leaving the elastic Tuscan speech, canorous in its vowels set in emphatic l’s and m’s and the vigorous soft spring of the double consonants. 

From The Rhythm of Life by Alice Christiana Thompson Meynell

In Australia, Surfshark’s ping times ranged from 229 to 281 ms, while NordVPN’s latency was slightly lower, averaging 210 to 260 ms.

From Salon Mar. 27, 2026

Upload speeds were generally stable, though ping times increased significantly on distant servers — reaching over 500 ms in Australia — which could introduce noticeable lag during gaming or video calls.

From Salon Mar. 21, 2026

When small creatures touch the fine trigger hairs on the outside of the door, it opens inwards within 0.5 ms.

From Science Daily Nov. 20, 2024

A device is turned on and 3.00 A flows through it 0.100 ms later.

From Textbooks Aug. 12, 2015

The first part, commit, has two ms but just one t.

From "Woe Is I" by Patricia T. O'Conner

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