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From the post-Classical Latin occlūsiō (occluding”, “obstruction), from the Classical Latin occlūdō (I shut up or close up”, “I restrain), from ob + claudō (I shut or close).


occlusion (plural occlusions)

  1. The process of occluding, or something that occludes.
  2. (medicine) Anything that obstructs or closes a vessel or canal.
  3. (medicine, dentistry) The alignment of the teeth when upper and lower jaws are brought together.
  4. (meteorology) An occluded front.
  5. (linguistics) A closure within the vocal tract that produces an oral stop or nasal stop.
  6. (physics) The absorption of a gas or liquid by a substance such as a metal.
  7. (computing) The blocking of the view of part of an image by another.

Derived terms[edit]


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occlusion f (plural occlusions)

  1. occlusion

Derived terms[edit]