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em

1 American  
[em] / ɛm /

noun

  • ems
    plural
  1. the letter M, m.

  2. Also called mut, mutton. Printing.

    1. the square of any size of type used as the unit of measurement for matter printed in that type size.

    2. (originally) the portion of a line of type occupied by the letter M in type of the same size.

  3. em pica.


adjective

  1. Printing. having the area of an em quad or the length of an em dash.

'em 2 American  
[uhm] / əm /

pronoun

Informal.
  1. them.

    Put 'em down there.


Em 3 American  
Symbol, Physical Chemistry.
  1. emanation.


EM 4 American  

abbreviation

  1. electromagnetic.

  2. electromotive.

  3. electronic mail.

  4. electron microscope; electron microscopy.

  5. end matched.

  6. Engineer of Mines.

  7. enlisted man; enlisted men.


em- 5 American  
  1. variant of en- before b, p, and sometimes m:

    embalm.


em- 6 American  
  1. variant of en- before b, m, p, ph:

    embolism, emphasis.


E.M. 7 American  

abbreviation

  1. Earl Marshal.

  2. Engineer of Mines.


em 1 British  
/ ɛm /

noun

  1. Also called: mutton, mut. the square of a body of any size of type, used as a unit of measurement

  2. Also called: pica em, pica. a unit of measurement used in printing, equal to one sixth of an inch

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

'em 2 British  
/ əm /

pronoun

  1. an informal variant of them

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

em- 3 British  

prefix

  1. before b, m, and p, a variant of en- 1 en- 2

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms


Etymology

Origin of em1

First recorded in 1860–65

Origin of 'em2

First recorded in 1350–1400; Middle English hem, Old English heom, dative and accusative plural of he 1


Vocabulary lists containing em

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:

Silas Malafaia, who has millions of followers on social media, leads the Assembleia de Deus Vitória em Cristo headquartered in the lower middle-class neighbourhood of Penha in Rio de Janeiro.

From BBC ● Oct. 24, 2026

That makes sense; em dashes are easy to spot, and I’ve consciously used them less as the internet has flooded with them.

From Slate ● Aug. 18, 2026

The turnover ➡️ The easy deuce for Khamenia @DukeMBB makes em pay.

From Los Angeles Times ● Mar. 30, 2026

In my writing, ChatGPT tells me I use 11 em dashes every 1,000 words.

From The Wall Street Journal ● Nov. 20, 2025

She twenty-three or so, same as Miss Leefolt and the rest of em.

From "The Help" by Kathryn Stockett

We gotta get all of ’em out of here!”

From Slate ● Oct. 23, 2026

“Guys are going up there just trying to have good at-bats. Sometimes, you get ‘em.

From Los Angeles Times ● Oct. 12, 2026

“We’re just going to keep ‘em all and see what happens,” Hortiz said, noting Branson Taylor will return from the injured reserve at some point too.

From Los Angeles Times ● Sep. 7, 2026

Parton told Soboroff she was singing about “All of ‘em.

From Salon ● Aug. 27, 2026

“Let ’em have it, Mrs. Kluck,” I mutter.

From "A Place at the Table" by Saadia Faruqi and Laura Shovan

"Proud of her for owning up to it and for wanting to do better," agreed Em.

From BBC ● Oct. 19, 2026

England internationals Em Arlott, Amy Jones, Danielle Gibson, Sarah Glenn and Linsey Smith are among the women's players to enter the draft at the £50,000 reserve price.

From BBC ● Feb. 20, 2026

L.A. beans though, either Counter Culture or Go Get Em Tiger would be my beans of choice.

From Los Angeles Times ● Feb. 6, 2026

Clipse, the duo of Pusha T and his brother Malice, reunited to release “Let God Sort Em Out,” their first album in more than 15 years, and nabbed five nominations.

From The Wall Street Journal ● Nov. 7, 2025

Tab texted Bridge that night: Tab: Em is definitely in.

From "Goodbye Stranger" by Rebecca Stead

“Neither bonds nor EM equities are a diversifier from the dominant ‘AI Revolution’ theme,” Emanuel said.

From MarketWatch ● Oct. 6, 2026

The almost parabolic moves in parts of EM equities have been driven by earnings, as strong demand has collided with shortages and supply has struggled to catch up, he said in an interview.

From MarketWatch ● Jul. 7, 2026

Despite the sharp rally in EM stocks over the past year and a half, valuations have actually come down, he said.

From MarketWatch ● Jul. 7, 2026

India is “arguably one of the most compelling” non-AI emerging market plays, says Kunal Desai, a portfolio manager and EM specialist at GIB Asset Management.

From Barron's ● Feb. 6, 2026

The line NC is called the sine of the angle of incidence NDC, and EM the sine of the angle of refraction MDE.

From Wireless Transmission of Photographs Second Edition, Revised and Enlarged 1919 by Marcus J. Martin

Font Bureau even did some customization for us—they provided us with wider em- and en-dashes for our home page headline font, for example, since our headlines are full of em-dashes.

From Slate ● Sep. 23, 2013

Dr. Allen Sinclair Will, 65, founder & director of Rutgers' Department of Journalism, onetime city editor of the Baltimore Sun; of cerebral em- bolism complicated by pneumonia; in Manhattan.

From Time Magazine Archive

In the future, more and more of them may em- ulate the experiments of Tanzania and Kenya.

From Time Magazine Archive

The forms en- and em- are of French origin.

From New Word-Analysis by William Swinton

Most of his children were from home; some seeking em- ployment; some were already settled in homes of their own.

From Our nig, or, sketches from the life of a free black, in a two-story white house, North Showing that slavery's shadows fall even there by Harriet E. Wilson

Arthur is in part a crafty composite of the writer E.M.

From Los Angeles Times ● Nov. 4, 2025

When circumstance, and one’s own body, seem to conspire against you, one can, as E.M.

From Los Angeles Times ● Oct. 29, 2025

Soucy focuses on the highs of Merchant and Ivory’s films, which began in the 1960s with films like “The Householder” and “Shakespeare-Wallah,” and developed over the next two decades before their 1985 adaptation of E.M.

From Salon ● Aug. 30, 2024

Postwar Suffolk was something of a rural retreat for London writers and artists, and Mr. Blythe soon found himself in the orbit of luminaries like the novelists E.M.

From New York Times ● Feb. 8, 2023

In favourable cases, we may have an E.M. variation as high as ·1 volt. 

From Response in the Living and Non-Living by Sir Jagadis Chandra Bose

With more experience, the rate could easily hit several thousand ems an hour, no matter the size of the type.

From Economist ● Mar. 30, 2018

Newsham said prompt treatment by fire and ems personnel at the scene helped to improve the boy’s prospects.

From Washington Post ● Jul. 10, 2017

Mr. Hanson believes that fewer than 1,500 highly productive individuals with specific skill sets will be necessary to create all the ems we need.

From The Wall Street Journal ● Jun. 10, 2016

Hanson doesn’t think that ems must necessarily live unhappy lives.

From The New Yorker ● Jun. 9, 2016

Monotype Keyboard The Lanston Monotype is a type-casting machine which produces separate types set in lines of any length, up to sixty ems pica, spaced and justified.

From Type Typographic Technical Series for Apprentices #1 by A. A. Stewart

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