# corrosion

> English word · Noun · IPA /kəˈɹəʊʒən/ · frequency rank #15,378

## Definitions
1. The act of corroding or the condition so produced.
2. A substance (such as rust) so formed.
3. Erosion by chemical action, especially oxidation.
4. The gradual destruction or undermining of something.

## Etymology
From Middle English corrosioun, from Old French corrosion, or its source, Late Latin corrōsiōnem, accusative singular of corrōsiō (“gnawing away, corroding”), from Latin corrōdō (“gnaw away, corrode”).

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

## Common misspellings (12)
`ccorrosion`, `cororsion`, `corosion`, `corroison`, `corrosino`, `corrosionn`, `corrosoin`, `corrossion`, `corrotion`, `corrsoion`, `crorosion`, `ocrrosion`

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