略語大辞典 [Chem] 25 EDT ethylene-diamine tartrate 酒石酸エチレン ジアミン. 圧電振動子. ethylene-diamine tartrate; C2H4(NH2)2C4H4O6; a piezoelectric material; [Chem:E]. 丸善「略語大辞典」JLogosID : 11873276