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em

noun \ ˈem \

Definition of em

1 : the letter m
2 : the width of a piece of type about as wide as it is tall used as a unit of measure of typeset matter

First Known Use of em

13th century

in the meaning defined at sense 1

See Words from the same year
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Other Alphabet Terms

cuneiform, linear, minuscule, pictograph, rune, symbology, wedge

EM

abbreviation

Definition of EM

1 electromagnetic
2 electron microscope; electron microscopy
3 end matched
4 engineer of mines
5 enlisted man

Other Electrical Engineering Terms

feedback, fuse, incandescent, noise, resonance

em-

prefix

Definition of em-

— see en-

EM Defined for Kids

em-

Definition of em- for Students

see en-

Medical Dictionary

EM

abbreviation

medical Definition of EM

1 electromagnetic
2 electron microscope; electron microscopy
3 emergency medicine

Learn More about em

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