This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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v. To cause to become closed; obstruct: occlude an artery.

v. To prevent the passage of: occlude light; occlude the flow of blood.

v. Chemistry To absorb or adsorb and retain (a substance).

v. Meteorology To force (air) upward from the earth's surface, as when a cold front overtakes and undercuts a warm front.

v. Dentistry To bring together (the upper and lower teeth) in proper alignment for chewing.

verb-intransitive. Dentistry To close so that the cusps fit together. Used of the teeth of the upper and lower jaws.

v. To obstruct, cover, or otherwise block an opening.

v. To shut up; to close.

v. To take in and retain; to absorb; -- said especially with respect to gases.

To shut up; close.

In physics and chem., to absorb: specifically applied to the absorption of a gas by a metal, such as iron, platinum, or palladium. particularly at a high temperature.

v. block passage through

"I have a 2 year old and their throats are itty bitty and so when it swells it doesn't take much to occlude it."

occluded    occludes    occluding   

impede    hinder   

stop    suffocate    block up    block    clog    barricado    back up    land up    barricade    clog up   

occlusion    occlusive    occluder    occluded front   

close    absorb    obstruct    closed