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
abbreviation
-
cricket maiden (over)
-
male
-
mare
-
married
-
masculine
M.
8
British
abbreviation
-
Majesty
-
(in titles) Member
-
million
-
Also: M. Monsieur
-
mountain
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 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
Here, E again represents energy, m is the particle's mass, and c is the speed of light.
From Science Daily ● Mar. 10, 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
Sometimes he got m and n mixed up, but the only one that gave him trouble day in and day out was c.
From "Maniac Magee" by Jerry Spinelli
“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
“Twist it, an’ you’ll choke ’m plentee,” said Manuel, and the stranger grunted a ready affirmative.
From "The Call of the Wild" by Jack London
When asked about the lobbying effort, Chavira referred questions to M Strategic Communications, a lobbying firm retained by Lineage two days after the fire to provide crisis communications and other services.
From Los Angeles Times ● Jul. 10, 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
“Overall, this was a mixed-to-negative print: revenue was only modestly light, but profitability and cash flow were the real issues,” wrote Vinci Zhang, a research analyst at data firm M Science.
From Barron's ● May 12, 2026
"When making tools for chemists, the user interface matters a lot, and previous tools relied on cumbersome filters and rules," says Andres M Bran, the first author of the Synthegy paper published in Matter.
From Science Daily ● May 5, 2026
And Coach M did not tolerate fighting among the team.
From "Winger" by Andrew Smith
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 Grasser, Georg
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 Grasser, Georg
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 Grasser, Georg
Th-That was F-Father's idea of m-making m- m-merry.
From The Voyage of the Hoppergrass by Pearson, Edmund Lester
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
The M- | 11, with a range of about 180 miles, is capable of carrying nuclear warheads.
From Time Magazine Archive
"Why did you try to telephone me from M-, and why did you change your mind about the message?"
From The Man in Lower Ten by Rinehart, Mary Roberts
M- Malvolio; M- why, that begins my name.
From Twelfth Night; or What You Will by Shakespeare, William
Tours: Tuesday through Saturday from 12:45 p.m. to 3 p. m., subject to availability.
From Washington Post ● Feb. 7, 2019
The launch party starts at 7 p. m., though the band will likely perform at around 8:30-9:30 p.m.
From Seattle Times ● Jan. 11, 2017
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
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
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
District Judge Kathleen M. Williams wrote in an order, released on Monday, breaking down the culmination of Trump’s lawsuit against the IRS.
From Slate ● Jul. 14, 2026
Orator William M. Evarts declared: “I tell you that when the statue of Washington sustains in its firm hand the splintered flag-staff of Fort Sumter, it means something.”
From The Wall Street Journal ● Jul. 3, 2026
The three decisions came over fierce dissents from conservative Justices Clarence Thomas and Samuel A. Alito Jr. and with Neil M. Gorsuch in two of them.
From Los Angeles Times ● Jul. 2, 2026
One of them—signing their name only as “M. M. C.”—writes a furious letter to The Evening Star in Washington, DC, calling Joey’s trip to America a “foolish and dangerous stunt.”
From "At Last She Stood" by Erin Entrada Kelly
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
Such viral statements, it says, are interfering with Lebo M’s business relationships with Disney and his income from royalties, causing more than $20 million in actual damages.
From Los Angeles Times ● Mar. 27, 2026
The £1.4m takeover by Warpaint will see the closure of Barry M's factory in the capital and puts 100 jobs at risk.
From BBC ● Feb. 9, 2026
The first official, the head of the Military Police’s Investigation and Prisons Branch, said there was no approval to hand over M’s body to his family.
From The Wall Street Journal ● Nov. 19, 2025
The next morning, she pulled out her Rolodex and flipped to the M’s: Manwill, Elizabeth.
From "Little Fires Everywhere" by Celeste Ng
"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
"Our findings show that tau helps determine which cells are selected to store a memory, shaping how an experience forms a lasting memory trace," says Ms Kosonen, a researcher at Flinders' Neuroscience and Dementia Research.
From Science Daily ● Jul. 12, 2026
It was claimed a freelance journalist was asked to "blag" travel details for Ms Bonas.
From BBC ● Jul. 7, 2026
"No sentence that this court can impose can ever bring Ms Davies back," she added.
From BBC ● Jul. 3, 2026
The slit visor of Ms helm narrowed his vision.
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
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
I think I have hit off his m's and y's tolerably," said he, "considering I was not brought up to this sort of thing.
From Ernest Maltravers — Complete by Lytton, Edward Bulwer Lytton, Baron
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
What average emf is induced, given the plane of the coil is originally perpendicular to the Earth’s field and is rotated to be parallel to the field in 10.0 ms?
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
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.
