OCCLUSION

Definition of OCCLUSION

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