occlusion

definition: the act of blocking
example:
speech part: noun
synonyms: closure
definition: an obstruction in a pipe or tube
example:
speech part: noun
synonyms: closure
definition: (dentistry) the normal spatial relation of the teeth when the jaws are closed
example:
speech part: noun
synonyms:
definition: (meteorology) a composite front when colder air surrounds a mass of warm air and forces it aloft
example:
speech part: noun
synonyms: occluded front
definition: closure or blockage (as of a blood vessel)
example:
speech part: noun
synonyms:

occlusion is explained and pronounced

How occlusion is being used?