occlude |əˈkluːd|

verb formal or technical

1 [ trans. ] stop, close up, or obstruct (an opening, orifice, or passage) : thick makeup can occlude the pores.

shut (something) in : they were occluding the waterfront with a wall of buildings.

technical cover (an eye) to prevent its use : it is placed at eye level with one eye occluded.

Chemistry (of a solid) absorb and retain (a gas or impurity).

2 [ intrans. ] (of a tooth) close on or come into contact with another tooth in the opposite jaw.

ORIGIN late 16th cent.: from Latin occludere ‘shut up.’

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