Hypertext Webster Gateway: "emphysema"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Emphysema \Em`phy*se"ma\, n. [NL., from Gr. ? inflation, fr. ?
to inflate; ? in + ? to blow: cf. F. emphys[`e]me.] (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.
From WordNet (r) 1.7 (wn)
emphysema
n : an abnormal condition of the lungs marked by decreased
respiratory function; associated with smoking or chronic
bronchitis or old age [syn: {pulmonary emphysema}]
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