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expiratory

[ik-spahyuh r-uh-tawr-ee, -tohr-ee] /ɪkˈspaɪər əˌtɔr i, -ˌtoʊr i/
adjective
1.
pertaining to the expiration of air from the lungs.
Origin
1840-1850
1840-50; expirat(ion) + -ory1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for expiratory

expiratory

/ɪkˈspaɪərətərɪ; -trɪ/
adjective
1.
relating to the expulsion of air from the lungs during respiration
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
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expiratory in Medicine

expiratory ex·pi·ra·to·ry (ĭk-spī'rə-tôr'ē)
adj.
Of, relating to, or involving the expiration of air from the lungs.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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