# formaldehyde

> English word · Noun · IPA /fɔː(ɹ)ˈmældɪhaɪd/ · frequency rank #30,049

## Definitions
1. The simplest aldehyde, HCHO, a colourless gas that has many industrial applications; it dissolves in water to give formol (10%) and formalin.

## Etymology
From form(yl) + aldehyde.

## Common misspellings (19)
`fformaldehyde`, `fomraldehyde`, `foramldehyde`, `formadlehyde`, `formalddehyde`, `formaldehdye`, `formaldehhyde`, `formaldehydde`, `formaldehyed`, `formaldehyyde`, `formaldeyhde`, `formaldheyde`, `formaledhyde`, `formalldehyde`, `formladehyde`, `formmaldehyde`, `forrmaldehyde`, `fromaldehyde`, `ofrmaldehyde`

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