oc·clu·sion /əˈkluʒən/ 名詞
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.
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.
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]