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
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
For domestic traders, June 20th, triple witching day (the expiration of index and stock options and futures), is the official start, in my opinion.
—
Brendan Ahern, Forbes.com, 30 May 2025
If the bill doesn’t get passed, the expiration of the bulk of Trump’s first-term legislation would mean every Republican in the United States would head into the 2026 elections with the average U.S. household receiving a 22% tax hike, and nobody but the Republican Party to thank.
—Tiana Lowe Doescher, The Washington Examiner, 30 May 2025
Perhaps 20 delta or so with an expiration of 4-6 weeks.
—Michael Khouw, CNBC, 29 May 2025
However, the general expiration of mineral and chemical sunscreens is the same—no more than three years unless tested and proven otherwise.31
Do not leave the product in direct sunlight or high heat to keep sunscreen in good condition.
—Health, 27 May 2025
See All Example Sentences for expiration
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Brendan Ahern, Forbes.com, 30 May 2025
If the bill doesn’t get passed, the expiration of the bulk of Trump’s first-term legislation would mean every Republican in the United States would head into the 2026 elections with the average U.S. household receiving a 22% tax hike, and nobody but the Republican Party to thank.
—Tiana Lowe Doescher, The Washington Examiner, 30 May 2025
Perhaps 20 delta or so with an expiration of 4-6 weeks.
—Michael Khouw, CNBC, 29 May 2025
However, the general expiration of mineral and chemical sunscreens is the same—no more than three years unless tested and proven otherwise.31
Do not leave the product in direct sunlight or high heat to keep sunscreen in good condition.
—Health, 27 May 2025
See All Example Sentences for expiration
Cite this Entry
“Expiration.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/expiration. Accessed 3 Jun. 2025.
Copy CitationKids 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
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