# expansion

> English word · Noun · IPA /ɪkˈspænʃən/ · frequency rank #2,791

## Definitions
1. An act, process, or instance of expanding.
2. An act, process, or instance of expanding.
3. An act, process, or instance of expanding.
4. An act, process, or instance of expanding.
5. An act, process, or instance of expanding.
6. An act, process, or instance of expanding.
7. An act, process, or instance of expanding.
8. An act, process, or instance of expanding.
9. An act, process, or instance of expanding.
10. An act, process, or instance of expanding.
11. An act, process, or instance of expanding.
12. An act, process, or instance of expanding.

## Etymology
Borrowed from French expansion, from Latin expānsiō. By surface analysis, expand + -sion.

## Easily confused with
- **extension** (https://plainspell.com/en/vs/expansion-vs-extension)
- **explosion** (https://plainspell.com/en/vs/expansion-vs-explosion)
- **expulsion** (https://plainspell.com/en/vs/expansion-vs-expulsion)
- **expansive** (https://plainspell.com/en/vs/expansion-vs-expansive)

## Common misspellings (14)
`epxansion`, `exapnsion`, `expanison`, `expannsion`, `expansino`, `expansionn`, `expansoin`, `expanssion`, `expantion`, `expasnion`, `expnasion`, `exppansion`, `exxpansion`, `xepansion`

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