occlusion : Idioms & Phrases
coronary occlusion
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noun occlusion of a coronary artery caused either by progressive atherosclerosis or by a blood clot
WordNet
Occlusion of gases
(Chem. & Physics) , the phenomenon of absorbing gases, as exhibited by platinum, palladium, iron, or charcoal; thus, palladium absorbs, or occludes, nearly a thousand times its own volume of hydrogen, and in this case a chemical compound seems to be formed.
