expiration
UK /ˌɛk.spəˈɹeɪ̯.ʃən/ · US /ˌɛk.spɚˈeɪ̯.ʃən/ noun
Forms expirations exspiration
- noun (uncountable) The act or process of breathing out, or forcing air from the lungs through the nose or mouth. “crackles heard on expiration”
- noun (countable) A single outward breath. “labored expirations”
- noun Other similar release of volatile matter.
- noun (euphemistic) The last emission of breath; thus, synonym of death.
- noun Any other (metaphorically comparable) cessation, extinction, or ending. “expiration date”
- noun That which is produced by breathing out, as a sound.
Synonyms
exhalation emission demise quietus death end tomb celestial transfer decease decomposition defunction dematerialization dirt nap doom exit fatality liquidation mortality passing repose termination expiry loss departure going release breathing out
Antonyms
Etymology
From Middle English expiracioun, exspiracioun (“vapor, breath”), from Latin expīrātiōnem, exspīrātiōnem, accusative singular of expīrātiō, exspīrātiō. By surface analysis, expire + -ation.
Webster’s 1913
- noun The act of expiring; as: (a)(Physiol.)
- noun 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 Ant: inspiration.
Etymology [L. expiratio,exspiratio: cf. F. expiration. See Expire.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “expiration”, CC BY-SA 4.0. Details