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Definition of 'occlusion'

Noun

  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
       Synonyms: 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"
       Synonyms: blockage block closure stop stoppage
  5. the act of blocking
       Synonyms: blockage closure


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