emphysema

1. (pathology) An abnormal accumulation of air or other gas in tissues, most commonly the lungs.Synonyms: pneumatosiscountableuncountable

2. (medicine) Ellipsis of pulmonary emphysema, a chronic lung disease, one type of chronic obstructive pulmonary disease.Examples: "The panacinar emphysema shows higher compliance with lungs then the centriacinar emphysema 5 ."; "His family announced the death on social media on Thursday, but provided no details. In 2024, Mr. Lynch announced that he had developed emphysema after years of smoking, and that as a result any subsequent films would have to be directed remotely."abbreviationalt-ofcountableellipsisuncountable