formaldehyde

Pronunciation

• IPA ^(key): /fɔː(r)ˈmældɪhaɪd/

• Audio (UK)

  (file)

• Hyphenation: for‧mal‧de‧hyde

Noun

Singular formaldehyde

Plural formaldehydes

1. (chemistry) Formaldehyde is a colourless gas that is used mainly as a disinfectant. It is the simplest aldehyde.