Definify.com
Webster 1913 Edition
Expiration
1.
The act of expiring
; as: (a)
(Physiol.)
The act or process of breathing out, or forcing air from the lungs through the nose or mouth;
as, respiration consists of inspiration and
; – opposed to expiration
inspiration
. (b)
Emission of volatile matter; exhalation.
(d)
A coming to a close; cessation; extinction; termination; end.
Before the
expiration
of thy time. Shakespeare
2.
That which is expired; matter breathed forth; that which is produced by breathing out, as a sound.
The aspirate “he,” which is . . . a gentle
expiration
. G. Sharp.
Webster 1828 Edition
Expiration
EXPIRA'TION
,Noun.
1.
The act of breathing out, or forcing the air from the lungs. Respiration consists of expiration and inspiration.2.
The last emission of breath; death.3.
The emission of volatile matter from any substance; evaporation; exhalation; as the expiration of warm air from the earth.4.
Matter expired; exhalation; vapor; fume.5.
Cessation; close; end; conclusion; termination of a limited time; as the expiration of a month or year; the expiration of a term of years; the expiration of a lease; the expiration of a contract or agreement.Definition 2025
expiration
expiration
English
Noun
expiration (uncountable)
- The act of expiring.
- The act or process of breathing out, or forcing air from the lungs through the nose or mouth
- respiration consists of inspiration and expiration
- Emission of volatile matter; exhalation.
- (euphemistic) The last emission of breath; death.
- A cessation, extinction, ending
- That which is produced by breathing out, as a sound.
Usage notes
In most senses, mainly US; UK equivalent is expiry.
Synonyms
- (breathing out): exhalation
- (cessation): termination, end
Antonyms
- (breathing out): inspiration, inhalation
Derived terms
Related terms
Translations
act of expiring
|
act or process of breathing out, or forcing air from the lungs through the nose or mouth; as, respiration consists of inspiration and expiration
|
|
emission of volatile matter; exhalation
|
last emission of breath; death
|
|
coming to a close; cessation; extinction; termination; end
That which is expired; matter breathed forth; that which is produced by breathing out
French
Etymology
From Middle French expiration, a borrowing from Latin exspīrātiōnem, accusative singular of exspīrātiō.
Noun
expiration f (plural expirations)
- expiration (act of expiring)
- expiration (act of breathing out)
- expiration (end)