1. the blockage or closing of a blood vessel or hollow organ
Usage: medical
2. the way the upper and lower teeth meet when the mouth is closed
Usage: dental
3. the process of blocking or shutting off

Examples

• The patient suffered a coronary occlusion that required immediate surgery.
• The dentist examined her occlusion to determine if braces were needed.
• An occlusion in the pipe caused the water pressure to drop significantly.
• The weather map showed an occlusion moving across the region.
• Dental occlusion problems can lead to jaw pain and headaches.
• The arterial occlusion was detected during the routine examination.
• Meteorologists tracked the occlusion as it brought heavy rainfall.