iron lung

noun
Updated on: 8 Nov 2017

Definition of iron lung

:a device for artificial respiration in which rhythmic alternations in the air pressure in a chamber surrounding a patient's chest force air into and out of the lungs

Recent Examples of iron lung from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'iron lung.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of iron lung

1930


Medical Dictionary

iron lung

noun

medical Definition of iron lung

:a device for artificial respiration in which rhythmic alternations in the air pressure in a chamber surrounding a patient's chest force air into and out of the lungs especially when the nerves governing the chest muscles fail to function because of polio called also Drinker respirator

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