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:
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
It also suggested that 40,000 candela per sq m - a measure of luminance - may be an "important threshold for the experience of glare being more likely".
From BBC ● Feb. 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
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
“Gas cylinders? Oh, nwunye m should not have bothered herself so much.”
From "Purple Hibiscus" by Chimamanda Ngozi Adichie
“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 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
Then I wrote a small ‘i’ and a small ‘m.’
From "The Great Santini" by Pat Conroy
She won an Academy Award for best supporting actress for playing Queen Elizabeth I in Shakespeare in Love in 1999, and became internationally recognised for her portrayal of "M", James Bond's boss.
From BBC ● Oct. 22, 2026
The city has already deployed goats to chomp away at invasive brush along the hillsides, but Cosgrove, who wrote Measure M, said more work is necessary to protect the community.
From Los Angeles Times ● Oct. 20, 2026
The unveiling of the Beagle 2 plaque, located in the People Gallery at the M Shed, took place on Monday.
From BBC ● Oct. 5, 2026
Face cream from Macy’s M -0.04%decrease; red down pointing triangle .
From The Wall Street Journal ● Sep. 30, 2026
An M, two A’s, two T’s, an H, an I and an S. Whichever way you look at it, Matthias or ‘am that is,’ it comes out the same.”
From "Redwall" by Brian Jacques
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
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
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
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
After a half hour's wait we took a local for M-, the station near which the cinematograph picture had been taken.
From The Man in Lower Ten by Mary Roberts Rinehart
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
Mr. M., as I’ll call him, has five children under the age of thirteen, and another on the way.
From "The Diary of a Young Girl" by Anne Frank
Alternating with these vignettes are lengthy excerpts from M’s bohemian heyday of 2023—three journals and a short screenplay.
From The Wall Street Journal ● Sep. 1, 2026
As the writer and the actor spend time together, and the narrator tries to pry open some small window into M’s psyche, the process of gathering material is constantly being thwarted by M’s casual instructability.
From Los Angeles Times ● Aug. 24, 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 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
Lift me like a little child That I may dwell with— I tapped M's.
From "A Long Way from Chicago" by Richard Peck
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
Ms Goubert, who receives the allowance, said: "The first £70 of it is standing charges, so you're only getting sort of £100... just over £100 for your month, which is nothing at the moment."
From BBC ● Oct. 22, 2026
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
"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
But as soon as he stooped Ms Ups toward it, the water sank away.
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
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
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
Those words with two m's or two l's in them get me right down on the mat.
From T. Tembarom by Frances Hodgson Burnett
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
A 0.250 m radius, 500-turn coil is rotated one-fourth of a revolution in 4.17 ms, originally having its plane perpendicular to a uniform magnetic field.
From Textbooks ● Aug. 12, 2015
She said, “It makes good times even better ms when you know they’re going to end. Like grilled vegetables are better because some of them are partly soot.”
From "Feed" by M.T. Anderson
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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.
