
1) Respiratory disease
Found on
https://www.crosswordclues.com/clue/air-trapping

Air trapping, also called gas trapping, is an abnormal retention of air in the lungs where it is difficult to exhale completely. It is observed in obstructive lung diseases such as asthma, bronchiolitis obliterans syndrome and chronic obstructive pulmonary diseases such as emphysema and chronic bronchitis. Air trapping is not a diagnosis but is a ...
Found on
http://en.wikipedia.org/wiki/Air_trapping
No exact match found.