# occlusion

> English word · Noun · IPA /əˈkluː.ʒən/ · frequency rank #39,464

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

## 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”).

## Easily confused with
- **occasion** (https://plainspell.com/en/vs/occasion-vs-occlusion)

## Common misspellings (12)
`coclusion`, `occllusion`, `occlsuion`, `occluison`, `occlusino`, `occlusionn`, `occlusoin`, `occlussion`, `occlution`, `occulsion`, `oclcusion`, `oclusion`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/occlusion