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.