occlusion

• Nom désignant l'action de fermer ou de bloquer, ou l'état de ce qui est fermé ou bloqué, utilisé notamment en médecine pour les vaisseaux sanguins, en dentisterie pour le contact des dents, et en météorologie pour les fronts atmosphériques.

A noun referring to the act of closing or blocking, or the state of being closed or blocked, commonly used in medical contexts for blood vessels, in dentistry for tooth alignment, and in meteorology for weather fronts.

1. Medical blockageC1formalmedical

   A closure or obstruction, especially of a blood vessel or other bodily passage.

   Occlusion (médecine)

   • The patient suffered a retinal artery occlusion.
   • A coronary occlusion can lead to a heart attack.
   • Doctors treated the intestinal occlusion with surgery.

   Synonymesblockadeblockageclosureobstructionstoppage

2. Meteorological frontC1formalscientific

   A weather phenomenon where a cold front overtakes a warm front, forcing the warm air upward.

   Occlusion (front occlus)

   • An occlusion often brings prolonged precipitation.
   • Meteorologists tracked the occlusion moving across the region.
   • The occluded front caused heavy rain and cooler temperatures.

   Synonymesoccluded front

3. Dental alignmentC1formalmedical

   The way the upper and lower teeth fit together when the mouth is closed.

   Occlusion dentaire

   • The dentist checked the patient's occlusion for any misalignment.
   • Malocclusion can cause jaw pain and difficulty chewing.
   • Braces are often used to correct improper occlusion.

   Synonymesbite

4. Pipe or tube blockageC1formaltechnical

   An obstruction that prevents flow through a pipe, tube, or passage.

   Occlusion (obstruction d'un conduit)

   • The plumber cleared the occlusion in the drainpipe.
   • An occlusion in the fuel line caused the engine to stall.
   • Regular maintenance helps prevent occlusions in industrial pipes.

   Synonymesblockageclogobstructionstoppage

5. Act of blockingC1formal

   The process or action of blocking or obstructing something.

   Occlusion (fait d'obstruer)

   • The occlusion of the airway required immediate intervention.
   • The occlusion of sunlight by clouds cooled the area.
   • The occlusion of the canal was caused by debris.

   Synonymesblockageblockingcloggingobstructionsealingstoppage

   Antonymesclearanceopeningpatency