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Noun occlusion has 5 senses
  1. occlusion - closure or blockage (as of a blood vessel)
    --1 is a kind of
    --1 has particulars:
     laryngospasm; embolism; thromboembolism; thrombosis; coronary occlusion
  2. occluded front, occlusion - (meteorology) a composite front when colder air surrounds a mass of warm air and forces it aloft
    --2 is a kind of front
  3. occlusion - (dentistry) the normal spatial relation of the teeth when the jaws are closed
    --3 is a kind of
    position, spatial relation
  4. blockage, block, closure, occlusion, stop, stoppage - an obstruction in a pipe or tube; "we had to call a plumber to clear out the blockage in the drainpipe"
    --4 is a kind of obstruction, obstructor, obstructer, impediment, impedimenta
    --4 has particulars:
     breechblock, breech closer; plug, stopper, stopple; vapor lock, vapour lock
  5. blockage, closure, occlusion - the act of blocking
    --5 is a kind of obstruction
    --5 has particulars: implosion
    Derived form: verb occlude1
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