emphysema Meaning, Definition & Usage
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noun an abnormal condition of the lungs marked by decreased respiratory function; associated with smoking or chronic bronchitis or old age
pulmonary emphysema.
WordNet
Em`phy*se"ma noun
Etymology
NL., from Gr. inflation, fr. to inflate; in + to blow: cf. F.Definitions
(Med.) A swelling produced by gas or air diffused in the cellular tissue.
