[ ven-tl-ey-shuh n ]
/ ˌvɛn tlˈeɪ ʃən /


the act of ventilating.
the state of being ventilated.
facilities or equipment for providing ventilation.

Origin of ventilation

1425–75; late Middle English ventilacioun < Latin ventilātiōn- (stem of ventilātiō), equivalent to ventilāt(us) (see ventilate) + -iōn- -ion

OTHER WORDS FROM ventilation Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for ventilation

British Dictionary definitions for ventilation

/ (ˌvɛntɪˈleɪʃən) /


the act or process of ventilating or the state of being ventilated
an installation in a building that provides a supply of fresh air

Derived forms of ventilation

ventilative, adjectiveventilatory, 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

Medical definitions for ventilation

[ vĕn′tl-āshən ]


The replacement of fresh air or gas for stale or noxious air or gas in a space.
Aeration or oxygenation, as of blood.
The verbal expression of feelings or emotions in psychotherapy.

Other words from ventilation

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