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[eks-huh-ley-shuh n, ek-suh-] /ˌɛks həˈleɪ ʃən, ˌɛk sə-/
the act of exhaling.
something that is exhaled; vapor; emanation.
Origin of exhalation
1350-1400; Middle English exalacion < Latin exhālātiōn- (stem of exhālātiō). See exhale, -ation Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for exhalation
Historical Examples
  • He said it with a deep breath, and an exhalation, as one who pants to be free of the city's noisome fumes.

    Gigolo Edna Ferber
  • During the exhalation be sure to keep the upper chest still.

    The Woman Beautiful Helen Follett Stevans
  • It seldom, however, blows with force; it is rather an exhalation than a wind.

  • The exhalation was concluded to have something divine in it.

  • An inarticulate sound arose from the closely packed throng in the enclosure, the exhalation of a universal sigh.

    The Doomsman Van Tassel Sutphen
  • The sigh of envy will merge into an exhalation of joy over the artistry of it.

    She Stands Accused Victor MacClure
  • It was with us the exhalation from lowly plants, and the pure fragrance went up the more freely because they had been bruised.

  • For her, the evidence of my misdoing hung about me like an exhalation.

    A Woman of Genius Mary Austin
  • The North Germans form the letter r with the soft palate, which is made to vibrate by the exhalation of the breath.

    The Voice in Singing Emma Seiler
  • All this was an exhalation of fancy, but it quite overcame me.

    Uncle Silas J. S. LeFanu
Word Origin and History for exhalation

late 14c., from Latin exhalationem (nominative exhalatio), noun of action from past participle stem of exhalare (see exhale).

Online Etymology Dictionary, © 2010 Douglas Harper
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exhalation in Medicine

exhalation ex·ha·la·tion (ěks'hə-lā'shən, ěk'sə-)

  1. The act or an instance of breathing out. Also called expiration.

  2. The giving forth of gas or vapor.

  3. Something, such as air or vapor, that is exhaled.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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exhalation in Science
The act of breathing out air. During exhalation, the diaphragm relaxes and moves upward, causing compression of the lungs and an outward flow of air. Also called expiration. Compare inhalation.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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