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Webster 1913 Edition
Emphysema
‖
Emˊphy-se′ma
,Noun.
[NL., from Gr. [GREEK] inflation, fr. [GREEK] to inflate; [GREEK] in + [GREEK] to blow: cf. F.
emphysème
.] (Med.)
A swelling produced by gas or air diffused in the cellular tissue.
Emphysema of the lungs
,
Pulmonary emphysema
(Med.)
, a common disease of the lungs in which the air cells are distended and their partition walls ruptured by an abnormal pressure of the air contained in them.