occlusion

English

Etymology

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”).

Pronunciation

• Rhymes: -uːʒən

Noun

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. (phonology) 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

• antocclusion
• benocclusion
• distocclusion

• malocclusion
• mesiocclusion
• neutrocclusion

• nonocclusion
• orthocclusion
• postocclusion

• reocclusion
• retrocclusion
• torsocclusion

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French

Etymology

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”).

Noun

occlusion f (plural occlusions)

1. occlusion

Derived terms

• rectocclusion

Further reading

• “occlusion” in le Trésor de la langue française informatisé (The Digitized Treasury of the French Language).