[1] : The Collaborative International Dictionary of English v.0.48

occlusion \occlu"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
see also:
occlude occlusion of gases 

Occlusion >> O Words
Occlusion, definition of term: Occlusion
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Gases >> G Words
Gases, definition of term: Gases
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