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[uh-kloo-zhuh n] /əˈklu ʒən/

the act or state of occluding or the state of being occluded.
Dentistry. the fitting together of the teeth of the lower jaw with the corresponding teeth of the upper jaw when the jaws are closed.
Pathology. closure or blockage of a blood vessel:
coronary occlusion.
Phonetics. momentary complete closure at some area in the vocal tract, causing stoppage of the flow of air and accumulation of pressure.

the act or process of occluding or the state of being occluded
(meteorol) another term for occluded front
(dentistry) the normal position of the teeth when the jaws are closed
(phonetics) the complete closure of the vocal tract at some point, as in the closure prior to the articulation of a plosive

1640s, from Medieval Latin occlusionem (nominative occlusio), noun of action from past participle stem of Latin occludere (see occlude). Dentistry sense is from 1880.

occlusion oc·clu·sion (ə-klōō’zhən)



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