occluding >> əˈkluːd
Definition: [verb] stop, close up, or obstruct (an opening, orifice, or passage).
Example: thick make-up can occlude the pores
Definition: [verb] (of a tooth) come into contact with another tooth in the opposite jaw.
Example: in monkeys and apes, the upper canine occludes with the lower first premolar
Definition: [verb] (of a solid) absorb and retain (a gas or impurity).
Example: occluded within these crystals are other molecules