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
symbol
-
metre(s)
-
mile(s)
-
milli-
-
minute(s)
'm
3
British
contraction
-
(verb) am
-
(noun) madam
yes'm
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
abbreviation
-
Majesty
-
(in titles) Member
-
million
-
Also: M. Monsieur
-
mountain
m.
8
British
abbreviation
-
cricket maiden (over)
-
male
-
mare
-
married
-
masculine
m-
9
British
prefix
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:
In a second study area, where traditional chain moorings remained until 2023, the scars reduced by 65.4%, around 15.9 sq m a year.
From BBC ● Sep. 26, 2026
Using microscopy, the researchers classified thousands of phytoliths collected from two excavation pits measuring 1.5 m and 2.3 m deep.
From Science Daily ● Sep. 15, 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
Here, E again represents energy, m is the particle's mass, and c is the speed of light.
From Science Daily ● Mar. 10, 2026
“So, Diego, where m Colorado are you from?”
From "We Are the Ants" by Shaun David Hutchinson
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
I ’m getting real sick of these phone calls.
From Los Angeles Times ● Apr. 21, 2016
But I told my girl this morning at breakfast that I ’m doing this for her—so she’ll have a place to stand in society.
From "The Best of Enemies" by Osha Gray Davidson
She is in a serious condition in hospital, city official Munkhbayar M told reporters.
From BBC ● Oct. 8, 2026
He is the son of Chris Modrzejewski, a principal at influential lobbying firm M Strategic Communications and well known figure in L.A.
From Los Angeles Times ● Sep. 28, 2026
He came in, two years in, passed Measure M, had a vision for how to transform L.A., and we’re seeing the fruits of that today.
From Los Angeles Times ● Sep. 20, 2026
TwoStep Therapeutics, a San Carlos, Calif.-based startup developing targeted therapies for solid tumors, nabbed $62.5 million in Series A financing from investors including Insight Partners, Medical Excellence Capital, M Ventures and Pfizer Ventures.
From The Wall Street Journal ● Sep. 10, 2026
“He wants to build the Tipped M into something even bigger than the Circle Ranch.”
From "Hattie Big Sky" by Kirby Larson
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
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
Same for the latest Apple M- and A-series chips, engines that can run AI models locally on iPhones—maybe why Apple hasn’t joined the AI data-center spending delirium.
From The Wall Street Journal ● Oct. 11, 2026
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
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
Mr. M-, of whom I told you, has been in every corner of the far East—Java, Sumatra, everywhere—and is extremely amusing.
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
She erected a big white sign in the front yard on which she had carefully painted, in black letters with gold outlines, r. m. walls art studio.
From "The Glass Castle" by Jeannette Walls
"What's emerging here is a way to systematically identify meaningful subgroups within complex disease," says Eric Klee, Ph.D., co-senior author and the Everett J. and Jane M. Hauck Midwest Associate Director of Research and Innovation.
From Science Daily ● Oct. 19, 2026
Chun-Li, played by Liang, recruits the pair to compete with other elite fighters in the World Warrior tournament, organised by crime boss M. Bison.
From BBC ● Oct. 16, 2026
The accessibility and pervasiveness of betting platforms makes the possibility of corrupting jurors a real risk, said University of Chicago law professor M. Todd Henderson.
From The Wall Street Journal ● Oct. 11, 2026
But that logic goes only so far, Justice Neil M. Gorsuch wrote for the court.
From Los Angeles Times ● Oct. 10, 2026
On Monday, civil rights attorneys asked federal judge Frank M. Johnson Jr. to issue an injunction, forbidding the state of Alabama to interfere with Tuesday’s planned march.
From "Because They Marched" by Russell Freedman
In later scenes, M has died and S’s main conversation partner is an artificial-intelligence voice agent that was trained on M’s writing.
From The Wall Street Journal ● Sep. 1, 2026
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 stars aligned... we'll be friends for life," said Andrea, Hollie M's mum.
From BBC ● Dec. 17, 2025
“It would be my land. The Tipped M’s land.”
From "Hattie Big Sky" by Kirby Larson
Though Ms Nina’s “Tu Sicaria” makes its way onto the playlist some nights, his resident DJs mostly stick to the classics at their parties, and that’s intentional.
From Los Angeles Times ● Oct. 22, 2026
Jorgelina Andrea del Valle Torres, the Argentine neoperreo artist known as Ms Nina, also remembers those first parties affectionately.
From Los Angeles Times ● Oct. 22, 2026
Ihnen asked the judge to allow Pike access to a phone so she can call her lawyers, and they can have "continuous liberal access to Ms Pike".
From BBC ● Oct. 7, 2026
Friends also gave him an alibi for the night the Star had claimed he was enjoying the company of Ms Coghlan.
From BBC ● Oct. 5, 2026
I’m getting funny looks as I stand here, waiting for Ms.
From "The Wrong Way Home" by Kate O’Shaughnessy
Why is it that the three m’s seem to have so much bipartisan appeal?
From Slate ● Nov. 6, 2020
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
Imagine if Ackley had just hesitated, held his ground and then the m's hit into an inning-ending double-play?
From Seattle Times ● Jun. 27, 2011
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
In these first passages, carry the tone well in the head, so as to give a pure, soft, clear sound to the m's, n's, ng's, and l's.
From Public Speaking by Irvah Lester Winter
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
After another 2.50 ms, or a total of 5.00 ms, the current declines to 0.368 of the value just found.
From Textbooks ● Aug. 12, 2015
She clung to ms hand, striving to detain him.
From "The Awakening" by Kate Chopin
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
