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occlusion

oc·clu·sion [ ə kl'n ] (plural oc·clu·sions)


noun 
Definition:
 
1. act of occluding: an act of occluding or the condition of being occluded

2. obstruction: something that obstructs or occludes

3. meteorology 
Same as  occluded front


4. dentistry meeting of upper and lower teeth: the relation between the upper and lower teeth when the jaw is closed and their surfaces come in contact

5. linguistics closure of hollow organ: the closure of a hollow organ such as the vocal tract in articulating a speech sound

6. chemistry absorption or adsorption of liquid: the absorption or adsorption of a liquid or gas on or in a solid

[Mid-17th century. < Latin occlus-, past participle of occludere (see occlude)]
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