breathing machine

noun

Medical Definition of breathing machine

: a device that assists breathing (as by keeping the air passages open) or maintains artificial respiration He suffers from sleep apnea, so he uses a breathing machine.— Dan Casey, The Roanoke (Virginia) Times, 18 Apr. 2013 The team tried to put her on a breathing machine, but the pond water had damaged her lungs too severely for oxygen to reach her blood.— Atul Gawande, The New Yorker, 10 Dec. 2007

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