iron lung

iron lung

noun
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.

Origin:
1930–35

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Collins
World English Dictionary
iron lung
 
n
1.  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 & Unabridged 10th Edition
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American Heritage
Medical Dictionary

iron lung n.
See Drinker respirator.

The American Heritage® Stedman's Medical Dictionary
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