English

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Etymology

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From Middle English expiracioun, exspiracioun (vapor, breath), from Latin expīrātiōnem, exspīrātiōnem, accusative singular of expīrātiō, exspīrātiō.[1][2]

Pronunciation

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Noun

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expiration (countable and uncountable, plural expirations)

  1. The act of expiring.
  2. The act or process of breathing out, or forcing air from the lungs through the nose or mouth
    respiration consists of inspiration and expiration
  3. Emission of volatile matter; exhalation.
  4. (euphemistic) The last emission of breath; death.
  5. A cessation, extinction, ending
  6. That which is produced by breathing out, as a sound.

Usage notes

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  • In most senses, mainly US; UK equivalent is expiry.
  • The pronunciation based on that of expire is common in Philippine English, but is otherwise proscribed elsewhere.

Synonyms

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Antonyms

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Derived terms

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Translations

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References

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  1. ^ Douglas Harper (2001–2024) “expiration (n.)”, in Online Etymology Dictionary.
  2. ^ expirāciǒun, n.”, in MED Online, Ann Arbor, Mich.: University of Michigan, 2007.

French

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Etymology

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Inherited from Middle French expiration, borrowed from Latin exspīrātiōnem.

Pronunciation

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Noun

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expiration f (plural expirations)

  1. expiration (act of expiring)
  2. expiration (act of breathing out)
  3. expiration (end)
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Further reading

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