occlusion
Definitions
The act of blocking or closing something, or the state of being blocked.
In dentistry, the relationship between the teeth when the jaws are closed.
In meteorology, the process by which a cold front overtakes a warm front, lifting the warm air mass off the ground.
Examples
The dentist identified an occlusion issue that was causing the patient significant jaw pain.
The mountain peak was hidden behind an occlusion of thick, grey clouds.
Synonyms
blockage obstruction stoppage clogging impaction closure congestion