Noun: exhalation ,eks,hu'ley-shun
- The act of expelling air from the lungs
"The yoga instructor demonstrated proper exhalation technique";
- expiration, breathing out
- Exhaled breath
"The doctor detected alcohol on the patient's exhalation";
- halitus [archaic]
Derived forms: exhalations
Type of: breath
Part of: breathing, external respiration, respiration, ventilation
Encyclopedia: Exhalation