expiration

noun

ex·​pi·​ra·​tion ˌek-spə-ˈrā-shən 

1

a

: the last emission of breath : death

b(1)

: the act or process of releasing air from the lungs through the nose or mouth : exhalation

(2)

: the escape of carbon dioxide from the body protoplasm (as through the blood and lungs or by diffusion)

2

: the fact of coming to an end or the point at which something ends : termination

Synonyms

• death
• demise
• expiry
• termination

Examples of expiration in a Sentence

one month after the expiration of the contract

directed that upon her expiration her splendid Italian-style villa be given to the public as a museum

Recent Examples on the Web

The lock-up's expiration now provides Trump and other insiders with a chance to cash out. —Aimee Picchi, CBS News, 20 Sep. 2024

No one disputed the existence of the exemption, but instead the parties turned their attention toward its expiration. —Chris Deubert, Forbes, 12 Sep. 2024

On Thursday, the pair will visit the White House alongside non-profit March Fourth to advocate for reinstating the Federal Assault Weapons Ban on the 20th anniversary of its expiration. —Tomás Mier, Rolling Stone, 12 Sep. 2024

In the wake of the ACP’s expiration, broadband companies reported losing some customers. —Rebecca Picciotto,lillian Rizzo, CNBC, 10 Sep. 2024

Word History

First Known Use

1526, in the meaning defined at sense 1a

Phrases Containing expiration

• expiration date

Kids Definition

expiration

noun

ex·​pi·​ra·​tion ˌek-spə-ˈrā-shən 

1

a

: the expelling of air from the lungs in breathing

b

: air or vapor expelled from the lungs

2

: the fact of coming to an end

Medical Definition

expiration

noun

ex·​pi·​ra·​tion ˌek-spə-ˈrā-shən 

1

a(1)

: the act or process of releasing air from the lungs through the nose or mouth : exhalation

(2)

: the escape of carbon dioxide from the body protoplasm (as through the blood and lungs or by diffusion)

b

archaic : the last emission of breath : death

2

: something produced by breathing out