• synonyms


[ik-spahyuh r-uh-tawr-ee, -tohr-ee]
  1. pertaining to the expiration of air from the lungs.
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Origin of expiratory

First recorded in 1840–50; expirat(ion) + -ory1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for expiratory

Historical Examples of expiratory

  • In other words, the expiratory energy is transformed into energy of motion.

    The Psychology of Singing

    David C. Taylor

  • It is noteworthy that all the utterances of sound are expiratory.

  • We have already pointed out that the vocal bands are set into vibration solely by the expiratory blast of air.

  • Schapiro has reported a case of expiratory "spasm" due to contraction of the buccinators.

  • So long as the expiratory pressure is steadily maintained, this tone may be held, and yet no strain is imposed on the vocal cords.

British Dictionary definitions for expiratory


  1. relating to the expulsion of air from the lungs during respiration
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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

expiratory in Medicine


  1. Of, relating to, or involving the expiration of air from the lungs.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.