Oc*clu"sion (?), n. [See Occlude.]
1.
The act of occluding, or the state of being occluded.
Constriction and occlusion of the orifice.
Howell.
2. Med.
The transient approximation of the edges of a natural opening; imperforation.
Dunglison.
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.
© Webster 1913.