Word Study
    glyoxal
CIDE DICTIONARY
glyoxal, n. [Glycol + oxalic + aldehyde.]. 
                                            
                                         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]                                                                                                                    
                                                                                    
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