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ex-halation

 - 4 dictionary results

ex⋅ha⋅la⋅tion

  [eks-huh-ley-shuhn, ek-suh-]
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–noun
1. the act of exhaling.
2. something that is exhaled; vapor; emanation.
Origin:
1350–1400; ME exalacion < L exhālātiōn- (s. of exhālātiō). See exhale, -ation
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Medical Dictionary

Main Entry: ex·ha·la·tion
Pronunciation: "eks-(h)&-'lA-sh&n
Function: noun
1 : the action of forcing air out of thelungs
2 : something (as the breath) that is exhaled or given off
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

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

  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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Science Dictionary
exhalation   (ěks'hə-lā'shən)  Pronunciation Key 
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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