occlusion

Definition from Wiktionary, a free dictionary

[edit] English

[edit] 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. (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.