Definition of Expiration

1. Noun. A coming to an end of a contract period. "The expiry of his driver's license"

Exact synonyms: Expiry, Termination
Generic synonyms: End, Ending
Derivative terms: Expire

2. Noun. Euphemistic expressions for death. "Thousands mourned his passing"
Exact synonyms: Departure, Exit, Going, Loss, Passing, Release
Language type: Euphemism
Generic synonyms: Death, Decease, Expiry
Derivative terms: Depart, Depart, Depart, Exit, Expire, Go, Pass

3. Noun. The act of expelling air from the lungs.
Exact synonyms: Breathing Out, Exhalation
Group relationships: Breathing, External Respiration, Respiration, Ventilation
Specialized synonyms: Huffing, Puffing, Snorting, Blow, Puff, Wind
Generic synonyms: Breath
Derivative terms: Exhale, Expire

Definition of Expiration

1. n. The act of expiring

Definition of Expiration

1. Noun. The act of expiring ¹

2. 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 inspiration. ¹

3. Noun. Emission of volatile matter; exhalation. ¹

4. Noun. The last emission of breath; death. ¹

5. Noun. A coming to a close; cessation; extinction; termination; end. ¹

6. Noun. That which is expired; matter breathed forth; that which is produced by breathing out, as a sound. ¹

¹ Source:

Definition of Expiration

1. [n -S]

Medical Definition of Expiration

1. The act of breathing out or expelling air from the lungs. Origin: L. Spirare = to breathe This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Lexicographical Neighbors of Expiration

expiration (current term)
expiratory centre
expiratory dyspnea
expiratory reserve volume
expiratory resistance
expiratory stridor
expired gas

Literary usage of Expiration

Below you will find example usage of this term as found in modern and/or classical literature:

1. International Law: A Treatise by Lassa Oppenheim (1920)
"In contradistinction to expiration, dissolution, voidance, and cancellation, performance of treaties does not terminate their binding force. ..."

2. United States Supreme Court Reports by Lawyers Co-operative Publishing Company, United States Supreme Court (1888)
"It shall be the duty of such board of county commissioners, at the next general election occurring after the expiration of thirty days from the date of the ..."

3. Anatomy, Descriptive and Surgical by Henry Gray (1901)
"After a forced expiration, the right arch is on a level, in front, ... The ordinary action of expiration is hardly effected by muscular force, ..."

4. A Manual of Physiology by Gerald Francis Yeo (1889)
"expiration. During quiet breathing expiration requires no muscular effort, the expulsion of the air from the chest being accomplished by the elasticity of ..."

5. The American Journal of the Medical Sciences by Southern Society for Clinical Investigation (U.S.) (1887)
"There was loud wheezing, and when the chest was auscultated sibili were heard throughout inspiration and expiration at both sides, completely masking all ..."

6. Anatomy, Descriptive and Surgical: Descriptive and Surgical by Henry Gray (1897)
"The ordinary action of expiration is hardly effected by muscular force, but results from a ... Other muscles of forced expiration are possibly the Internal ..."

7. Journal by New York (State). Legislature. Senate, House of representatives, United States, Congress (1837)
"... of the Congress of the United States, to fill the vacancy which will occur on the fourth day of March next, by the expiration of the term of the Hon. ..."

8. Elements of International Law by Henry Wheaton (1866)
"That people had recommenced hostilities before the expiration of the time limited in the truce. Still it was held necessary for the Romans to send heralds ..."

Other Resources:

Search for Expiration on!Search for Expiration on!Search for Expiration on Google!Search for Expiration on Wikipedia!