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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

Moving from a wooden cabin to a much larger high-rise, the new 3000 sq m consulate takes up a prominent location in the middle of downtown Nuuk.

From BBC May 22, 2026

The tracker continuously follows the Sun throughout the day and directs sunlight into a 20 m plastic multimode optical fiber.

From Science Daily May 18, 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

“When Ifediora was alive, there were times, nwunye m, when the university did not pay salaries for months. Ifediora and I had nothing, eh, yet he never raised a hand to me.”

From "Purple Hibiscus" by Chimamanda Ngozi Adichie

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 wandering the ghostly hallway of the 50th floor, the high rollers’ floor, of what was once the Trump Taj Mahal Hotel and Casino in Atlantic City.

From Washington Post Mar. 12, 2018

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

"I’ll need you to come straight home after school this week. This is a big one, and I ’m going to need your help, all right?"

From "The Rock and the River" by Kekla Magoon

M wants his daughter to go to university, and saved every cent so they could move to Iran so she could study there.

From Barron's Aug. 11, 2026

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

From Science Daily Aug. 8, 2026

President Reagan, saying he is “a bit wiser” after two failed attempts to put a hard-line conservative on the Supreme Court, today picked federal appeals Judge Anthony M.

From Los Angeles Times Jul. 26, 2026

So what is Macy’s M 0.60%increase; green up pointing triangle doing in its portfolio?

From The Wall Street Journal Jun. 4, 2026

The door opened again and Coach M came in, carrying my clothes from the locker room on a hanger he held over his shoulder.

From "Winger" by Andrew Smith

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

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

From The Voyage of the Hoppergrass by Edmund Lester Pearson

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

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

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

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

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

From Time Magazine Archive

But Tabby's highest good was probably not the end proposed by Mrs. M-, for no one supposed she meant to kill her.

From The Narrative of Sojourner Truth by Olive Gilbert

I have promised Mr. M- to procure and send him an exact account of the process in Spain. 

From Letters from the Cape by Lady Lucie Duff Gordon

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

FOR MORE: Call The Land of Nod at 800-933-9904 from 8:30 a. m. to 5 p.m.

From Seattle Times Jun. 24, 2016

“I joke with you, nwa m. Where would I be today if my chi had not given me a daughter?”

From "Purple Hibiscus" by Chimamanda Ngozi Adichie

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, member of the AAP Committee on Infectious Diseases.

From Barron's Aug. 10, 2026

For example, Daniel Patrick Moynihan, working for President Richard Nixon at the time, recommended George M. White to be the architect of the Capitol; Nixon liked the idea.

From The Wall Street Journal Jul. 24, 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

All he saw was Dr. Taylor M. Martin and the bald eagle.

From "A Bird Will Soar" by Alison Green Myers

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

From Barron's Aug. 11, 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

A healthy Kirby could make a huge difference this season for an already formidable M’s rotation.

From Los Angeles Times Mar. 24, 2026

French media reported that Thomas M's role as head butler and keeper of precious silver involved setting the tables at state dinners and other prestigious events.

From BBC Dec. 22, 2025

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

"This loss of life is colossal and the effect those losses will have on their friends and families is incalculable," Ms Ní Raghallaigh added.

From BBC Aug. 17, 2026

A Travelodge spokesperson said: "We are deeply sorry for Ms Stephenson's experience and how distressing an incident like this can be."

From BBC Aug. 8, 2026

Further evacuations also took place from La Porge on Thursday night which Ms Brocas said had taken place "calmly".

From BBC Jul. 24, 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

The nutty curved beak looked as it if were capable of doing damage, but Archimedes looked closely at the mouse, blinked at the Walt, moved nearer on the finger, dosed Ms eyes and leaned forward.

From "The Once and Future King" by T. H. White

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

In Chinese, for example, the Methodist Episcopal Mission becomes, literally, "the doubly beautiful society," because there are two m's in M. E. M., and the Chinese pronounces m as "may," and "may" means "beautiful."

From Time Magazine Archive

When another sentence was begun I made a fresh start, this time I was pulled up by the word ‘synonymous,’ I knew there were some n’s and m’s in it, but not how many.

From Curious Church Customs and Cognate Subjects by William Andrews

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

What happens if we try to shut off the current rapidly, perhaps in only 1.0 ms?

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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