occlusion

Etymology

Borrowed from Late Latin occlūsiō, occlūsiōnis (“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 (countable and uncountable, 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.

Etymology

Borrowed from Latin occlūsiō, occlūsiōnem (“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

Further reading

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