资料来源 : pyDict

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资料来源 : Webster's Revised Unabridged Dictionary (1913)

Occlusion \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.

资料来源 : WordNet®

occlusion
     n 1: closure or blockage (as of a blood vessel)
     2: (meteorology) a composite front when colder air surrounds a
        mass of warm air and forces it aloft [syn: {occluded front}]
     3: (dentistry) the normal spatial relation of the teeth when
        the jaws are closed
     4: an obstruction in a pipe or tube; "we had to call a plumber
        to clear out the blockage in the drainpipe" [syn: {blockage},
         {block}, {closure}, {stop}, {stoppage}]
     5: the act of blocking [syn: {blockage}, {closure}]