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
prefix
M'-
5
British
prefix
M
6
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.
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 14 sq m visitor centre, at 3m tall, would stand against her garden fence and rise almost a metre above it.
From BBC ● Aug. 27, 2026
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
“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
“Technically, you know I m still winning, right? Twenty to eighteen.”
From "The Parker Inheritance" by Varian Johnson
“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 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
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
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
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
M researches a part in a mansion that has been meticulously art-directed to resemble the house of a family who in fact never lived there.
From Los Angeles Times ● Aug. 24, 2026
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
Instead, exercises and even songs can be written out using just the D, R, and M, etc., with the rhythm notated about it.
From "Music and the Child" by Natalie Sarrazin
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
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
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
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
"I reckon I've forgot the name, but the message was that this fellow—Sullivan was his name—was at M-, and if the man had escaped from the wreck would he come to see him."
From The Man in Lower Ten by Mary Roberts Rinehart
We got out at M-, a small place with two or three houses and a general store.
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
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
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
But Melissa M., a 24-year-old in Canada, told Salon she wouldn’t go even if the event were free.
From Salon ● Sep. 11, 2026
“The president this time is focused on the Indo-Pacific as a market,” said Richard M. Rossow, chair on India and emerging Asia economics at the Center for Strategic and International Studies, a Washington think tank.
From The Wall Street Journal ● Aug. 28, 2026
As a result, M. aurita is the correct scientific name.
From Science Daily ● Aug. 26, 2026
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
Have found a super field—rather far from here, though—cycling all day with M., Fri.
From "Code Name Verity" by Elizabeth Wein
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
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 M & M’s were thrown in the air, gone.
From "The Joy Luck Club" by Amy Tan
"All my friends in the village call me Madame Cholet," Ms Brown said.
From BBC ● Sep. 15, 2026
He said it was emotional being back, and a privilege to catch up with Ms Meek.
From BBC ● Sep. 9, 2026
"Ms Meek and the other adults there planted seeds in me that I probably couldn't see at the time, but they became part of the foundation I grew from," he said.
From BBC ● Sep. 9, 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
I force myself to turn away, to go join 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
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
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 Edward Bulwer Lytton, Baron Lytton
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
A relatively long-lived excited state of an atom has a lifetime of 3.00 ms.
From Textbooks ● Aug. 12, 2015
She clung to ms hand, striving to detain him.
From "The Awakening" by Kate Chopin
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.
