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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.
verb (used without object), breathed. [breeth d] /briÃ°d/ (Show IPA), breathing. 1. to take air, oxygen, etc., into the lungs and expel it; inhale and exhale; respire. 2. (in speech) to control the outgoing breath in producing voice and speech sounds. 3. to pause, as for breath; take rest: