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An airtight metal tank that encloses all of the body except the head and forces the lungs to inhale and exhale through regulated changes in air pressure.
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. (Medicine) an airtight metal cylinder enclosing the entire body up to the neck and providing artificial respiration when the respiratory muscles are paralysed, as by poliomyelitis
2. informal Irish a gas container used in dispensing beer
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a rigid respirator that encloses the whole body except the head and in which alternate pulsations of high and low pressure induce normal breathing movements or force air into and out of the lungs.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||iron lung - respirator that produces alternations in air pressure in a chamber surrounding a patient's chest to force air into and out of the lungs thus providing artificial respiration|
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