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expiration

[ek-spuh-rey-shuh n]
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noun
  1. a coming to an end; termination; close: the expiration of a contract.
  2. the act of expiring, or breathing out; emission of air from the lungs.
  3. Archaic. death.
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Origin of expiration

1375–1425; late Middle English expiracioun < Latin expīrātiōn- (stem of expīrātiō), equivalent to expīrāt(us) (past participle of ex(s)pīrāre to expire) + -iōn- -ion
Related formsnon·ex·pi·ra·tion, nounpre·ex·pi·ra·tion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for expiration

termination, expiry, decease, death, end, dying, departure, going, cessation, close, passing, terminus, closing, conclusion

Examples from the Web for expiration

Contemporary Examples of expiration

Historical Examples of expiration


British Dictionary definitions for expiration

expiration

noun
  1. the finish of something; ending; expiry
  2. the act, process, or sound of breathing out
  3. rare a last breath; death
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for expiration

n.

early 15c., "vapor, breath," from Middle French expiration, from Latin expirationem/exspirationem (nominative expiratio/exspiratio), noun of action from past participle stem of expirare/exspirare (see expire). Meaning "termination, end, close" is from 1560s.

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Online Etymology Dictionary, © 2010 Douglas Harper

expiration in Medicine

expiration

(ĕk′spə-rāshən)
n.
  1. exhalation
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

expiration in Science

expiration

[ĕk′spə-rāshən]
  1. See exhalation.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.