"occlusions" in the noun sense
1. occlusion
closure or blockage (as of a blood vessel)
2. occluded front, occlusion
meteorology) a composite front when colder air surrounds a mass of warm air and forces it aloft
3. occlusion
dentistry) the normal spatial relation of the teeth when the jaws are closed
4. blockage, block, closure, occlusion, stop, stoppage
an obstruction in a pipe or tube
"we had to call a plumber to clear out the blockage in the drainpipe"
5. blockage, closure, occlusion
the act of blocking
Source: WordNet® (An amazing lexical database of English)
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