plural of emphysema

(pathology) An abnormal accumulation of air or other gas in tissues, most commonly the lungs. / (medicine) Pulmonary emphysema, a chronic lung disease, one type of chronic obstructive pulmonary disease.

plural of pulmonary emphysema

A chronic lung disease characterised by an abnormal increase in the size of the air spaces, resulting in laboured breathing and caused by exposure to toxic chemicals, most commonly tobacco smoke.