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Từ điển WordNet v3.1 - WordNet Dictionary
occlusion


noun
1. closure or blockage (as of a blood vessel) (Freq. 1)
Hypernyms:
attack
Hyponyms:
laryngospasm, embolism, thromboembolism, thrombosis, coronary occlusion
2. an obstruction in a pipe or tube
- we had to call a plumber to clear out the blockage in the drainpipe
Syn:
blockage, block, closure, stop, stoppage
Derivationally related forms:
block (for: block), block (for: blockage)
Hypernyms:
obstruction, obstructor, obstructer, impediment, impedimenta
Hyponyms:
breechblock, breech closer, plug, stopper, stopple,
vapor lock, vapour lock
3. the act of blocking
Syn:
blockage, closure
Derivationally related forms:
occlude, close (for: closure), block (for: blockage)
Hypernyms:
obstruction
Hyponyms:
implosion
4. (meteorology) a composite front when colder air surrounds a mass of warm air and forces it aloft
Syn:
occluded front
Topics:
meteorology
Hypernyms:
front
5. (dentistry) the normal spatial relation of the teeth when the jaws are closed
Topics:
dentistry, dental medicine, odontology
Hypernyms:
position, spatial relation

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