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1. A device that circulates fresh air and expels stale or foul air.
2. Medicine A machine that supplies oxygen or a mixture of oxygen and air, used in artificial respiration to control or assist breathing. Also called respirator.

ven′ti·la·to′ry (vĕn′tl-ə-tôr′ē) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


1. (Building) an opening or device, such as a fan, used to ventilate a room, building, etc
2. (Medicine) med a machine that maintains a flow of air into and out of the lungs of a patient who is unable to breathe normally
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈvɛn tlˌeɪ tər)

1. one that ventilates.
2. a contrivance or opening for replacing foul or stagnant air with fresh air.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.ventilator - a device (such as a fan) that introduces fresh air or expels foul airventilator - a device (such as a fan) that introduces fresh air or expels foul air
air cleaner, air filter - a filter that removes dust from the air that passes through it
device - an instrumentality invented for a particular purpose; "the device is small enough to wear on your wrist"; "a device intended to conserve water"
ventilating system, ventilation system, ventilation - a mechanical system in a building that provides fresh air; "she was continually adjusting the ventilation"
2.ventilator - a device that facilitates breathing in cases of respiratory failureventilator - a device that facilitates breathing in cases of respiratory failure
aqualung, Aqua-Lung, scuba - a device (trade name Aqua-Lung) that lets divers breathe under water; scuba is an acronym for self-contained underwater breathing apparatus
device - an instrumentality invented for a particular purpose; "the device is small enough to wear on your wrist"; "a device intended to conserve water"
oxygen mask - a breathing device that is placed over the mouth and nose; supplies oxygen from an attached storage tank
inhalator, respirator - a breathing device for administering long-term artificial respiration
resuscitator - a breathing apparatus used for resuscitation by forcing oxygen into the lungs of a person who has undergone asphyxia or arrest of respiration
snorkel - breathing device consisting of a bent tube fitting into a swimmer's mouth and extending above the surface; allows swimmer to breathe while face down in the water
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
مِرْوَحَه لتَجْديد الهَواء
havalandırma cihazıvantilatör


[ˈventɪleɪtəʳ] N
1. (Constr) → ventilador m
2. (Med) → respirador m
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005


[ˈvɛntɪleɪtər] nventilateur m
Collins English/French Electronic Resource. © HarperCollins Publishers 2005


(Med) → Beatmungsgerät nt; to be on a ventilatorkünstlich beatmet werden
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007


[ˈvɛntɪˌleɪtəʳ] nventilatore m
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995


(ˈventileit) verb
to allow fresh air to enter (eg a room).
ˌventiˈlation noun
the act or means of ventilating or the state of being ventilated. There was no window in the room, and no other (means of) ventilation.
ˈventilator noun
a device for ventilating a room etc.
Kernerman English Multilingual Dictionary © 2006-2013 K Dictionaries Ltd.


n. ventilador; respirador artificial.
English-Spanish Medical Dictionary © Farlex 2012


n ventilador m, respirador m, aparato para suministrar respiración artificial
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in classic literature ?
You can see now that it is fastened to a hook just above where the little opening for the ventilator is."
He did not see him stoop with ear close pressed to a tiny ventilator.
Raffles reached across me and tapped the ventilator, a sort of trapdoor in the wall above his bed, some eighteen inches long and half that height.
A second door communicates with the sitting-room, and has a ventilator in the upper part of it.
He flung himself at the port ventilator as though he meant to tear it out bodily and toss it overboard.
Above the door was a ventilator, through which volumes of fresh air renewed the impoverished atmosphere of the cell.
The familiar details came out: the stag's horns, the bookshelves, the looking-glass, the stove with its ventilator, which had long wanted mending, his father's sofa, a large table, on the table an open book, a broken ash tray, a manuscript book with his handwriting.
He flew over as I said, stamped with his foot and then putting his face to the cowl of the big ventilator shouted down there: "Please come on deck, sir," in a voice which was not trembling or scared but which we may call fairly expressive.
She remembered them by the hurt of her breasts and the prod of her instinct; also she remembered them by vision, so that, by the subtle chemistry of her brain, she could see them, by way of the broken screen across the ventilator hole, down into the cellar in the dark rubbish-corner under the stairway, where she had stolen her lair and birthed her litter.
"The first thing I did was to put my head down the square of the midship ventilator. As I lifted the lid a visible breath, something like a thin fog, a puff of faint haze, rose from the opening.
I opened the ventilator in my cabin door, dear, and I heard every word they said.
On each side of the lower surface, or foot, there is a broad membrane, which appears sometimes to act as a ventilator, in causing a current of water to flow over the dorsal branchiae or lungs.