Pronunciation Noun

em (plural ems)

  1. The name of the Latin script letter M
    The ems and ens at the beginnings and ends.
  2. (typography) A unit of measurement equal to the height of the type in use.
    Synonyms: quad, em quad, mutton, mut
  • French: emme
  • Portuguese: eme
  • Russian: эм
  • Spanish: eme
  • Spanish: cuadratín
  1. Alternative form of 'em
Pronunciation Pronoun
  1. (rare) A gender-neutral third-person singular object pronoun, the objective case of ey, equivalent to the singular them and coordinate with him and her.
  • see
Pronunciation Interjection
  1. (Scotland, Ireland) a form of hesitant speech, or an expression of uncertainty; um; umm; erm
    She was going to, em... the salon, I think.

Proper noun
  1. A diminutive of the female given names Emily and Emma.
    • 1900 Lyman Frank Baum, The Wonderful Wizard of Oz, Chapter 24:
      And oh, Aunt Em! I'm so glad to be at home again!
    • 2008 Anne Enright, Yesterday's Weather, Vintage (2009), ISBN 9780099520993, page 4:
      Mind you, he never calls me anything back. Isn't that the way of it? What do men call their wives. 'Em...' Like every woman in the planet was christened Emily. 'Em...is that shirt clean?'
  2. Short for Eminem#English|Eminem.



  1. (biology, countable) Initialism of Effective Microorganism
  2. (energy) Initialism of Energy Management
  3. (countable) Abbreviation of electron microscope#English|electron microscope.
  4. (uncountable) Abbreviation of electron microscopy#English|electron microscopy.
  5. (uncountable) Initialism of electromagnetism

em (not comparable)

  1. Abbreviation of electromagnetic#English|electromagnetic.

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