Occlusion
Occlusion , noun
[See Occlude.]
1.
The act of occluding, or the state of being occluded.
Constriction and occlusion of the orifice.
2.
(Medicine) The transient approximation of the edges of a natural opening; imperforation. — Dunglison
Collocations (1)
Occlusion of gases (Chemistry & 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.