occlusion.

1. The blocking or closing of a passage, opening, or route.

2. The relationship or contact between upper and lower teeth when the jaws meet.

3. The blocking of an object or part of it from an observer’s view by something in front.

Use it for

Words that belong together

• vascular occlusion
• occlusion of an airway

On the page

The report located the vascular occlusion near the damaged branch.

An occlusion of the airway explained the sudden loss of sound.

Usage notes

Primary category: horror. Forms: Singular occlusion; plural occlusions. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.