# radiator

> English word · Noun · IPA /ˈrædɪeɪ̯tə/ · frequency rank #18,670

## Definitions
1. Anything which radiates or emits rays.
2. A device that lowers engine coolant temperature by conducting heat to the air, through metal fins.
3. A finned metal fixture that carries hot water or steam in order to heat a room.
4. A type of antenna.

## Etymology
From radiate + -or. Doublet of radiatori.

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

## Common misspellings (11)
`ardiator`, `radaitor`, `raddiator`, `radiaotr`, `radiatorr`, `radiatro`, `radiattor`, `raditaor`, `raidator`, `rdaiator`, `rradiator`

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