m
abbreviation
mass.
m
1 American
m
2
American
Symbol, Electricity.
'm
3
American
[m]
/ m /
M
4
American
[em]
/ ɛm /
Or
m
noun
-
M's,
plural
-
Ms,
plural
-
m's,
plural
-
ms
plural
-
the thirteenth letter of the English alphabet, a consonant.
-
any spoken sound represented by the letter M or m, as in my, summer, or him.
-
something having the shape of an M.
-
a written or printed representation of the letter M or m.
-
a device, as a printer's type, for reproducing the letter M or m.
-
Printing. em.
M
5
American
abbreviation
-
mach.
-
Music. major.
-
male.
-
married.
-
Medieval.
-
medium.
-
mega-.
-
Middle.
-
modal auxiliary.
-
modifier.
-
Economics. monetary aggregate: issued periodically by the Federal Reserve Board as various measures of money supply (M-1, M-1A, M-2, etc.).
-
British. motorway (used with a road number to designate a major highway).
the M1.
M
6
American
Symbol.
-
the thirteenth in order or in a series.
-
(sometimes lowercase) the Roman numeral for 1000.
-
Electricity. magnetization.
-
Biochemistry. methionine.
M'-
7
American
m-
8
American
-
(referring especially to the use of wireless electronic devices) mobile.
m-commerce; m-business.
M-
9
American
m.
10
American
abbreviation
m.
11
American
abbreviation
m.
12
American
abbreviation
-
male.
-
(in Germany) mark; marks.
-
married.
-
masculine.
-
Physics. mass.
-
medium.
-
meter.
-
middle.
-
mile.
-
minute.
-
modification of.
-
modulus.
-
molar.
-
month.
-
moon.
-
morning.
-
mouth.
M.
13
American
Or
m.
abbreviation
M.
14
American
abbreviation
-
MM
plural
-
Majesty.
-
Manitoba.
-
markka; markkaa.
-
Marquis.
-
Music. measure.
-
medicine.
-
medium.
-
meridian.
-
Monday.
-
Monsieur.
-
mountain.
m
1
British
/ ɛm /
noun
-
the 13th letter and tenth consonant of the modern English alphabet
-
a speech sound represented by this letter, usually a bilabial nasal, as in mat
'm
2
British
contraction
-
(verb) am
-
(noun) madam
yes'm
m
3
British
symbol
-
metre(s)
-
mile(s)
-
milli-
-
minute(s)
M
4
British
symbol
-
mach
-
medium (size)
-
mega-
-
currency mark(s)
-
million
-
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
-
Middle
-
physics modulus
-
(in Britain) motorway
the M1 runs from London to Leeds
-
-
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
-
-
logic the middle term of a syllogism
-
physics mutual inductance
-
chem molar
-
1000 See Roman numerals
abbreviation
m-
5
British
prefix
M'-
6
British
prefix
m-
7
British
prefix
m.
8
British
abbreviation
-
cricket maiden (over)
-
male
-
mare
-
married
-
masculine
M.
9
British
abbreviation
-
Majesty
-
(in titles) Member
-
million
-
Also: M. Monsieur
-
mountain
m
Scientific
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:
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
The team "struck gold" - discovering the footprint of a 572 sq m Roman villa surrounded by fortifications.
From BBC ● Jan. 11, 2026
For velocity-dependent interactions with force ranges >10⁶ m, the projected sensitivity improves by 6 to 7 orders of magnitude.
From Science Daily ● Dec. 6, 2025
“Ekene nke udo—ezigbo nwanne m nye m aka gi.”
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
July 31—I ’m on the edge of it.
From "Flowers for Algernon" by Daniel Keyes
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
Some of them, called M type asteroids, contain large quantities of iron, nickel, and other useful metals.
From Science Daily ● Aug. 7, 2026
The oldest is 81-year-old M John Harrison, for The End of Everything, a post-apocalyptic novel set in a Kent coastal town.
From BBC ● Jul. 28, 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
I remember Coach M telling them to put me in the cart and drive me down the hill to the doctor’s, and I saw JP standing in front of me, holding the cleat I’d thrown.
From "Winger" by Andrew Smith
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
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
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
The M- | 11, with a range of about 180 miles, is capable of carrying nuclear warheads.
From Time Magazine Archive
Mr. M-, the resident at Singapore, tells me that his secretary’s wife, a Malay lady, has made an excellent translation of the Arabian Nights, from Arabic into Malay.
From Letters from the Cape by Lady Lucie Duff Gordon
The picture had been taken, they said, at M-, just two miles beyond the scene of the wreck.
From The Man in Lower Ten by Mary Roberts Rinehart
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
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
The Amicus bonus episode revisits a 2021 conversation among Dahlia Lithwick, Judge Edward M. Chen, and Don Tamaki, members of the legal team that overturned Korematsu v.
From Slate ● Aug. 20, 2026
The hearing stemmed from a petition animal services had filed that same month against the dog’s owners, Claire M. Birgy and Erick Krasnoff, and cited four separate and unprovoked biting incidents dating back to 2024.
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
Brazil’s foreign ministry said Saturday it had denied visas for Riley M. Barnes, assistant secretary from the State Department’s Bureau of Democracy, Human Rights, and Labor, and Samuel Samson, a deputy assistant secretary of state.
From The Wall Street Journal ● Jul. 25, 2026
No, M. Chandresh Christophe Lefèvre instead focuses on that penultimate word.
From "The Night Circus" by Erin Morgenstern
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
Child M's mother said the family have since left Southport due to their traumatic experiences.
From BBC ● Sep. 8, 2025
Lift me like a little child That I may dwell with— I tapped M's.
From "A Long Way from Chicago" by Richard Peck
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
Ms Mullan described her daughter Amelia as "a ray of sunshine," who "had the most beautiful curls and a creativity that shone through everything that she did".
From BBC ● Jul. 31, 2026
"In 2023 alone, 45 unreleased songs belonging to Ms Grande were hacked, stolen, and leaked," the documents said.
From BBC ● Jul. 28, 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
“Stand up,” said Arthur, and be clapped Ms hands for a page to take away the seat.
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
With musicians there is a tendency to "m's" and "n's," which sounds harmonious enough, Mendelssohn, Massenet, Mascagni, Mackenzie, Schumann, have both letters; Mozart but one.
From Without Prejudice by Israel Zangwill
In Australia, Surfshark’s ping times ranged from 281 to 422 ms, while NordVPN’s latency was lower — between 292 and 406 ms — based on test data.
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
The coil will be very close to its full current in about ten time constants, or about 25 ms.
From Textbooks ● Aug. 12, 2015
One evening we went to move an attractive young woman who found it charming to spell the name Kim with an h, a y, and two ms.
From "Me Talk Pretty One Day" by David Sedaris
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
