Definition - occlusions

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occlusions
  1. (meteorology) a composite front when colder air surrounds a mass of warm air and forces it aloft
  2. closure or blockage (as of a blood vessel)
  3. the act of blocking
  4. an obstruction in a pipe or tube;
  5. (dentistry) the normal spatial relation of the teeth when the jaws are closed

Other Definitions Containing occlusions