The meaning of Glyoxal and additional information.

Glyoxal(n.) 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.

Glyoxalic(a.) Pertaining to, or designating, an aldehyde acid, intermediate between glycol and oxalic acid.