a chamberlike respirator, formerly used in the treatment of poliomyelitis, 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.
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- iron grey,
- iron guard,
- iron hand,
- iron horse,
- iron law of wages,
- iron maiden,
- iron man,
- iron meteorite,
- iron mold,
- iron out
Origin of iron lung
First recorded in 1930–35
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
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
Irish informal a gas container used in dispensing beer
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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