Ems

UK: /ˌiːɛmˈɛs/

From em (n): npl: ems

Collins Concise English Dictionary © HarperCollins Publishers::

Ems / ɛmz/ noun

1. another name for Bad Ems
2. a river in W Germany, rising in the Teutoburger Wald and flowing generally north to the North Sea. Length: about 370 km (230 miles)

WordReference Random House Unabridged Dictionary of American English © 2025

EMS, 

1. emergency medical service.
2. Government, European Monetary System.

WordReference Random House Unabridged Dictionary of American English © 2025

em  (em), n., pl. ems, adj. 
n. 

1. the letter M, m.
2. Printing Also called mut, mutton. 
   • 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.
3. Printing See em pica. 

adj. 
4. Printing having the area of an em quad or the length of an em dash.
• 1860–65

EM, 

1. Electricity electromagnetic.
2. Electricity electromotive.
3. Computing electronic mail.
4. Optics electron microscope;
   electron microscopy.
5. end matched.
6. Engineer of Mines.
7. Military enlisted man;
   enlisted men.

Em, Symbol, Physical Chem.

1. Chemistry emanation (def. 3).

'em  (əm), pron. [Informal.]

1. them:
   Put 'em down there.

• Middle English hem, Old English heom, dative and accusative plural of he¹ 1350–1400

em-¹ :

1. var. of en- ¹ before b, p, and sometimes m: embalm. Cf. im-¹.

em-² :

1. var. of en- ² before
   b, m, p, ph: embolism, emphasis.

E.M., 

1. Earl Marshal.
2. Engineer of Mines.

Collins Concise English Dictionary © HarperCollins Publishers::

EMS abbreviation

1. European Monetary System

Collins Concise English Dictionary © HarperCollins Publishers::

em / 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

Etymology: 19th Century: from the name of the letter M