emergency medical service.
Digital Technology. enhanced message service: a system for sending long or formatted text messages, images, music, etc., from one cell phone to another.Compare SMS(def 1a).
European Monetary System.
express mail service: an international service offered by the postal operators of the Universal Postal Union (UPU).

Definition for ems (2 of 2)

[ em ]
/ ɛm /

noun, plural ems.

the letter M, m.
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.


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

Origin of em

First recorded in 1860–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for ems

British Dictionary definitions for ems (1 of 3)


Bad Ems

/ (ɛmz) /


a town in W Germany, in the Rhineland-Palatinate: famous for the Ems Telegram (1870), Bismarck's dispatch that led to the outbreak of the Franco-Prussian War. Pop: 9666 (2003 est)
a river in W Germany, rising in the Teutoburger Wald and flowing generally north to the North Sea. Length: about 370 km (230 miles)

British Dictionary definitions for ems (2 of 3)


abbreviation for

European Monetary System
enhanced messaging service: a system used for sending text messages containing special text formatting, animations, etc, to and from mobile phones

British Dictionary definitions for ems (3 of 3)

/ (ɛm) /

noun printing

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

Word Origin for em

C19: from the name of the letter M
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

Medicine definitions for ems (1 of 2)



electrical muscle stimulation
Emergency Medical Service

Medicine definitions for ems (2 of 2)



electron microscope
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.