1. blockages or obstructions of a passage or opening
Usage: medical; technical
2. the way the upper and lower teeth meet when the jaw is closed
Usage: dental; medical
3. weather fronts where a cold air mass overtakes a warm air mass
Usage: meteorology

Examples

• The doctor found several arterial occlusions during the examination.
• Dental occlusions can cause jaw pain and headaches.
• The patient’s coronary occlusions required immediate surgery.
• Weather maps showed multiple occlusions moving across the region.
• The orthodontist corrected the child’s dental occlusions with braces.
• Meteorologists tracked the occlusions as they brought heavy rainfall.
• Vascular occlusions can lead to serious health complications.