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ventilation

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ven⋅ti⋅la⋅tion

  [ven-tl-ey-shuhn]
Use ventilation in a Sentence
–noun
1. the act of ventilating.
2. the state of being ventilated.
3. facilities or equipment for providing ventilation.
Origin:
1425–75; late ME ventilacioun < L ventilātiōn- (s. of ventilātiō), equiv. to ventilāt(us) (see ventilate ) + -iōn- -ion

Related forms:
ven⋅ti⋅la⋅to⋅ry  [ven-tl-uh-tawr-ee, -tohr-ee] , adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Ventilation
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res·pi·ra·tion   (rěs'pə-rā'shən)   
n.  

    1. The act or process of inhaling and exhaling; breathing. Also called ventilation.

    2. The act or process by which an organism without lungs, such as a fish or plant, exchanges gases with its environment.

    3. The oxidative process occurring within living cells by which the chemical energy of organic molecules is released in a series of metabolic steps involving the consumption of oxygen and the liberation of carbon dioxide and water.

    4. Any of various analogous metabolic processes by which certain organisms, such as fungi and anaerobic bacteria, obtain energy from organic molecules.

    1. The oxidative process occurring within living cells by which the chemical energy of organic molecules is released in a series of metabolic steps involving the consumption of oxygen and the liberation of carbon dioxide and water.

    2. Any of various analogous metabolic processes by which certain organisms, such as fungi and anaerobic bacteria, obtain energy from organic molecules.

res'pi·ra'tion·al adj.
ven·ti·la·tion   (věn'tl-ā'shən)   
n.  

    1. The replacement of stale or noxious air with fresh air.

    2. The mechanical system or equipment used to circulate air or to replace stale air with fresh air.

  2. See respiration.

  3. Aeration or oxygenation, as of blood.

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: ven·ti·la·tion
Pronunciation: "vent-&l-'A-sh&n
Function: noun
1 : the act or process ofventilating
2 : the circulation and exchange of gases in the lungs or gills that is basic to respiration
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

ventilation ven·ti·la·tion (věn'tl-ā'shən)
n.

  1. The replacement of fresh air or gas for stale or noxious air or gas in a space.

  2. See respiration.

  3. Aeration or oxygenation, as of blood.

  4. The verbal expression of feelings or emotions in psychotherapy.

ven'ti·late' v.

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