Definition of expiration
1a : the last emission of breath : deathb (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
From the M-W Editors
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 of expiration from the Web
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His expiration date has run out and now he’s back.’
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Andropharm recalled all lot numbers and expiration dates of Sten Z and M1 Alpha capsules, sold in 60-count bottles in retail stores nationwide and online.
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His expiration date has run out and now he’s back.’
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The latest instance occurred between August 2016 and March 2017, according to a notice on the company's website, and included guest names, addresses and phone numbers, as well as credit card numbers and expiration dates.
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A senior employee of the U.S. Marshals recently provided documents to the Judiciary Committee showing that many of the agency’s 3,900 operational employees have body armor with expiration dates in 2016 and 2017.
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Yet lawmakers are considering keeping at least part of the extra penny tax in place beyond the expiration date.
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Ebony could apply for an extension if her expiration date drew close, but the sheet that tracked her apartment visits was still blank.
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That's definitely reason enough to pay attention to those expiration dates.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'expiration.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of expiration
1526
EXPIRATION Defined for English Language Learners
expiration
playDefinition of expiration for English Language Learners
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: the fact of coming to an end or no longer being valid after a period of time : the fact of expiring
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medical : the act of breathing out
EXPIRATION Defined for Kids
expiration
playDefinition of expiration for Students
1 : the end of something that lasts for a certain period of time expiration of a coupon
2 : the act of breathing out
Medical Dictionary
expiration
playMedical Definition of expiration
1a (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)barchaic : the last emission of breath : death
2: something produced by breathing out
Learn More about expiration
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See words that rhyme with expiration Thesaurus: All synonyms and antonyms for expiration Spanish Central: Translation of expiration Nglish: Translation of expiration for Spanish speakers Britannica English: Translation of expiration for Arabic speakers Britannica.com: Encyclopedia article about expiration
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