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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 Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved
A device with an adjustable aperture for regulating the flow of fresh or stagnant air.
A mechanical apparatus for producing a current of air, as a blowing or exhaust fan.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
1. In a room or building, any device or contrivance used to provide fresh air or expel stale air. See ridge ventilator, roof ventilator, and slit ventilator.
2. A framework, pivoted on hinges, in which panes of glass are set; a pivoted sash.
3. Same asVentlight.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.