em-


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em- 1

pref.
Variant of en-1.

em- 2

pref.
Variant of en-2.

em-

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

em

(ɛm)

n., pl. ems.
1. the letter M, m.
2. the square of any size of type used as the unit of measurement for matter printed in that type size.
[1860–65]

EM

1. electromagnetic.
2. Engineer of Mines.
3. enlisted man or men.

'em

(əm)

pron. Informal.
them.
[1350–1400; Middle English hem, Old English heom, dat. and acc. pl. of he1]

em-1

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

em-2

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

E.M.

Engineer of Mines.