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pursed-lip breathing a breathing technique in which air is inhaled slowly through the nose and then exhaled slowly through pursed lips. This type of breathing is often used by patients with chronic obstructive pulmonary disease to prevent small airway collapse.
What is the difference between breath and breathe? A breath (which rhymes with death) is the air inhaled or exhaled during breathing. To breathe (rhymes with seethe) means to inhale and expel air from the lungs. Writers occasionally confuse the words breath and breathe. The word breath is a noun that denotes the air either inhaled or exhaled during breathing.