# radiation

> English word · Noun · IPA /ˌɹeɪ.diˈeɪ.ʃən/ · frequency rank #4,552

## Definitions
1. The shooting forth of anything from a point or surface, like diverging rays of light.
2. The shooting forth of anything from a point or surface, like diverging rays of light.
3. The process of radiating waves or particles.
4. The transfer of energy via radiation.
5. Radioactive energy.
6. A rapid diversification of an ancestral species into many new forms.

## Etymology
Borrowed from Latin radiatio, radiationis. By surface analysis, radiate + -ion.

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

## Common misspellings (13)
`ardiation`, `radaition`, `raddiation`, `radiaiton`, `radiasion`, `radiatino`, `radiationn`, `radiatoin`, `radiattion`, `raditaion`, `raidation`, `rdaiation`, `rradiation`

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