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occlude

oc·clude [ ə kld ] (past and past participle oc·clud·ed, present participle oc·clud·ing, 3rd person present singular oc·cludes)


verb 
Definition:
 
1. transitive verb stop up something: to block or stop up something such as a passage

2. transitive verb cut off flow of something: to cut off or prevent the flow or passage of something such as light or liquid

3. transitive and intransitive verb dentistry align teeth properly: to be in normal contact with another tooth when the mouth is closed, or align the upper and lower teeth for chewing or normal contact

4. transitive verb chemistry absorb or adsorb liquid: to absorb or adsorb a liquid or gas on the surface of or within a solid

5. transitive and intransitive verb meteorology form occluded front: to form an occluded front, or undercut a mass of warm air so that it is no longer in contact with the Earth's surface

[Late 16th century. < Latin occludere "close up" < claudere "to close"]
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