COH2

1 definition found

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

  Glyoxal \Gly*ox"al\, n. [Glycol + oxalic + aldehyde.] (Chem.)
     A white, amorphous, deliquescent powder, {(CO.H)2}, obtained
     by the partial oxidation of glycol. It is a double aldehyde,
     between glycol and oxalic acid.
     [1913 Webster]