Occlusion of gases
Occlusion Oc*clu"sion, n. [See {Occlude}.] 1. The act of occluding, or the state of being occluded. [1913 Webster]

Constriction and occlusion of the orifice. --Howell. [1913 Webster]

2. (Med.) The transient approximation of the edges of a natural opening; imperforation. --Dunglison. [1913 Webster]

{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. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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