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ventilation

[ven-tl-ey-shuh n] /ˌvɛn tlˈeɪ ʃən/
noun
1.
the act of ventilating.
2.
the state of being ventilated.
3.
facilities or equipment for providing ventilation.
Origin
late Middle English
1425-1475
1425-75; late Middle English ventilacioun < Latin ventilātiōn- (stem of ventilātiō), equivalent to ventilāt(us) (see ventilate) + -iōn- -ion
Related forms
ventilatory
[ven-tl-uh-tawr-ee, -tohr-ee] /ˈvɛn tl əˌtɔr i, -ˌtoʊr i/ (Show IPA),
adjective
nonventilation, noun
overventilation, noun
reventilation, noun
underventilation, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for ventilation
  • Move fresh air into your home with proper ventilation.
  • ventilation is not exactly the first thing that comes to mind.
  • ventilation below ground is poor and deadly accidents occur almost daily.
  • The dimly lit room has low ceilings and poor ventilation.
  • The system relied on steam-driven trains, which made proper ventilation critical.
  • The only signs of life at the visitor centre are bats in the ventilation shafts.
  • But anywhere one uses pure ammonia caution, safety, and ventilation are coins of the realm.
  • Pulley-drawn cords make it easier to open for ventilation.
  • All this was discovered only when one employee escaped through a ventilation shaft.
  • The disease is easily preventable with the use of masks in mines and ventilation systems in factories.
British Dictionary definitions for ventilation

ventilation

/ˌvɛntɪˈleɪʃən/
noun
1.
the act or process of ventilating or the state of being ventilated
2.
an installation in a building that provides a supply of fresh air
Derived Forms
ventilative, adjective
ventilatory, adjective
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
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Word Origin and History for ventilation
n.

mid-15c., from Latin ventilationem (nominative ventilatio) "an exposing to the air," noun of action from past participle stem of ventilare (see ventilate).

Online Etymology Dictionary, © 2010 Douglas Harper
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ventilation in Medicine

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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