H2CO

1 definition found

From The Collaborative International Dictionary of English v.0.48 [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]