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em

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noun \ˈem\

Definition of em

  1. 1 :  the letter m

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

Explore M-W

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Vocabulary Thrives in Darkness

First Known Use of em

13th century

Other Alphabet Terms

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

EM

abbreviation

Definition of EM

  1. 1 electromagnetic

  2. 2 electron microscope; electron microscopy

  3. 3 end matched

  4. 4 engineer of mines

  5. 5 enlisted man

Other Electrical Engineering Terms

feedback, fuse, incandescent, noise, resonance

em-

Definition of em-

  1. — see en-

EM- Defined for Kids

em-

Definition of em- for Students

  1. see en-

Medical Dictionary

EM

abbreviation

Medical Definition of EM

  1. 1electromagnetic

  2. 2electron microscope; electron microscopy

  3. 3emergency medicine

Learn More about em

  1. See words that rhyme with em

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WORD OF THE DAY

opine

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to state as an opinion

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TRENDING NOW

  1. acrostic "The initial letters form a word"

  2. Svengali 'A person who manipulates'

  3. syzygy An obscure astronomy term goes mainstream

  4. hegemon "Something having dominant influence over others"

  5. repugnant Trump clarifies his position on racism

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