EMの定義と意味 | Dictionary.com

EM Definition & Meaning | Dictionary.com Jump to: em em noun the letter M, m. 'em 'em pronoun them . Em Em emanation . EM EM abbreviation electromagnetic . em- em- variant of en- before b, p, and sometimes m: E.M. E.M. abbreviation Earl Marshal. em 1 American [em] / ɛm / noun plural ems the letter M, m. Also called mut, mutton . Printing. the square of any size of type used as the unit of measurement for matter printed in that type size. (originally) the portion of a line of type occupied by the letter M in type of the same size. em pica . adjective Printing. having the area of an em quad or the length of an em dash . 'em 2 American [ uh m] / əm / pronoun Informal. them . Put 'em down there. Em 3 American Symbol, Physical Chemistry. emanation . EM 4 American abbreviation electromagnetic . electromotive . electronic mail. electron microscope; electron microscopy. end matched. Engineer of Mines. enlisted man; enlisted men. em- 5 American variant of en- before b, p, and sometimes m: embalm. em- 6 American variant of en- before b, m, p, ph: embolism, emphasis. E.M. 7 American abbreviation Earl Marshal. Engineer of Mines. em 1 British / ɛm / noun Also called: mutton . mut . the square of a body of any size of type, used as a unit of measurement 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 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 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 Etymology Origin of em 1 First recorded in 1860–65 Origin of 'em 2 First recorded in 1350–1400; Middle English hem, Old English heom, dative and accusative plural of he 1 Vocabulary lists containing em Scrabble: Two-Letter Words Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide! 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. But the point is, em dashes are beloved by professionals. From The Wall Street Journal • Nov. 20, 2025 In my writing, ChatGPT tells me I use 11 em dashes every 1,000 words. From The Wall Street Journal • Nov. 20, 2025 “Some of em last for a long time if we’re lucky, but most of them are fleeting,” he wrote. From Los Angeles Times • Sep. 2, 2025 Along with the now-infamous em dash, many are renouncing words for which ChatGPT is known to have a mysterious penchant, such as delve, nestled, boast, and meticulous. From Slate • Aug. 20, 2025 “Bring em down,” she roared “And don’t forget the churn.” From "A Long Way from Chicago" by Richard Peck 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.