# chlorine

> English word · Noun · IPA /ˈklɔɹin/ · frequency rank #16,433

## Definitions
1. A toxic, green, gaseous chemical element (symbol Cl) with an atomic number of 17.
2. A single atom of this element.
3. A chlorine-based bleach or disinfectant.

## Etymology
Coined by British chemist Humphry Davy in 1810 from Ancient Greek χλωρός (khlōrós, “pale green”) + -ine.

## Easily confused with
- **coloring** (https://plainspell.com/en/vs/chlorine-vs-coloring)
- **calorie** (https://plainspell.com/en/vs/calorie-vs-chlorine)
- **chloride** (https://plainspell.com/en/vs/chloride-vs-chlorine)

## Common misspellings (12)
`cchlorine`, `chhlorine`, `chllorine`, `chloirne`, `chlorien`, `chlorinne`, `chlornie`, `chlorrine`, `chlroine`, `cholrine`, `clhorine`, `hclorine`

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