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expiration
WIKTIONARY
expiration
Noun
  • The act of expiring.
  • The act or process of breathing out, or forcing air from the lungs through the nose or mouth; as, respiration consists of inspiration and expiration; – opposed to inspiration.
  • Emission of volatile matter; exhalation.
  • The last emission of breath; death.
  • A coming to a close; cessation; extinction; termination; end.
  • That which is expired; matter breathed forth; that which is produced by breathing out, as a sound.