Quiz: Remember the definition of mal de mer?


[eks-huh-ley-shuh n, ek-suh-] /ˌɛks həˈleɪ ʃən, ˌɛk sə-/
the act of exhaling.
something that is exhaled; vapor; emanation.
1350-1400; Middle English exalacion < Latin exhālātiōn- (stem of exhālātiō). See exhale, -ation Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the web for exhalation
  • Other tests require forced inhalation or exhalation after a deep breath.
  • Some are made without exhalation valves, making them particularly useful in certain health-care settings.
  • exhalation resistance as with demand units is determined at maximum deflection ignoring the relief valve pressure spike.
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
Cite This Source
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.
Cite This Source
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.
Cite This Source

Word of the Day

Difficulty index for exhalation

Many English speakers likely know this word

Word Value for exhalation

Scrabble Words With Friends

Quotes with exhalation