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:
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
“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
They are usually burnt orange, but as I peer through m the mesh that covers the container, the little bugs moving around in curls of wood look bright red.
From "Counting by 7s" by Holly Goldberg Sloan
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
Management reiterated its value over volume approach, pairing portfolio and pricing actions with a cost-savings program and a leaner, more agile operating model, analysts Jose M Asumendi and Piyush Singla write.
From The Wall Street Journal ● Oct. 7, 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
The NTA needs deep structural reform to address recurring failures, but abolishing it is not the answer, said M Jagadesh Kumar, former chairman of India's universities regulator.
From BBC ● Sep. 6, 2026
There, an ailing playwright named M lives with his wife, S—who is an actress—and their precocious daughter, Ruby.
From The Wall Street Journal ● Sep. 1, 2026
“And I’m only playing ball if you spot me a few letters. You have M, O, and N.”
From "Millionaires for the Month" by Stacey McAnulty
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
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
Th-That was F-Father's idea of m-making m- m-merry.
From The Voyage of the Hoppergrass by Edmund Lester Pearson
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
M- But then there is no consonancy in the sequel; that suffers under probation: A should follow, but O does.
From Twelfth Night; or What You Will by William Shakespeare
Because the M- model transmits no information, the ZM must receive no information.
From The Brain, A Decoded Enigma by Dorin Teodor Moisa
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
And Faber was out; there in the deep valleys of the country somewhere the five a. m. bus was on its way from one desolation to another.
From "Fahrenheit 451" by Ray Bradbury
But that logic goes only so far, Justice Neil M. Gorsuch wrote for the court.
From Los Angeles Times ● Oct. 10, 2026
The most well-thought-out example is a Foreign Affairs essay published in August by Kurt M. Campbell and Rush Doshi, who served on the National Security Council during the Biden administration.
From Slate ● Oct. 8, 2026
On Thursday morning, Ihor M. -- whose last name has been withheld under Polish privacy law -- entered the Benedictine abbey in Jaroslaw, in southeastern Poland.
From Barron's ● Sep. 26, 2026
The sports world has changed dramatically in the years since David M. Rubenstein abandoned his childhood dream of becoming a baseball player.
From The Wall Street Journal ● Sep. 22, 2026
We walked through the door and up to suite 307, which is the one with Dr. M. Legler’s name on it.
From "The Thing About Jellyfish" by Ali Benjamin
The bulk of the book, especially the passages from M’s journals, are given to dewy philosophizing on the purpose of creation.
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
The M’s also traded for super utilityman Brendan Donovan, who, as a member of the St. Louis Cardinals, was named an All-Star for the first time in his career last season.
From Los Angeles Times ● Mar. 24, 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
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
"I watched Ms Maharani's videos because I was looking for more information. They gave additional knowledge... so it helped me to think more carefully," she said.
From Barron's ● Oct. 2, 2026
"The panel is satisfied that Ms Campbell was not responsible for the inappropriate use of the charity's resources or any unjustified expenditure, nor did she contribute or facilitate it," they said.
From BBC ● Oct. 1, 2026
"I just want to say you've changed my life, I wouldn't be where I am without you," said Sam, as he hugged Ms Meek.
From BBC ● Sep. 9, 2026
He moved away from her at a trot, leading Ms men downhill.
From "A Game of Thrones" by George R.R. Martin
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
The m's and n's are all alike, and so are most of the other letters.
From Master of the Vineyard by Myrtle Reed
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
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
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
Verify that after a time of 10.0 ms, the current for the situation considered in Example 23.9 will be 0.183 A as stated.
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
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.
