Definition - occlusions

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

Other Definitions Containing occlusions