a. [ Citric + aconitic. ] Pertaining to, derived from, or having certain characteristics of, citric and aconitic acids. [ 1913 Webster ]

Citraconic acid (Chem.), a white, crystalline, deliquescent substance, C3H4(CO2H)2, obtained by distillation of citric acid. It is a compound of the ethylene series. [ 1913 Webster ]