'Formaldehyde' definitions:
Definition of 'formaldehyde'
(from WordNet)
noun
A colorless poisonous gas; made by the oxidation of methanol [syn: formaldehyde, methanal]
Definition of 'Formaldehyde'
From: GCIDE
- Formaldehyde \For*mal"de*hyde\, n. [Formic + aldehyde.] (Chem.) A colorless, volatile liquid, H2CO, resembling acetic or ethyl aldehyde, and chemically intermediate between methyl alcohol and formic acid. [1913 Webster]