dindexdithionic./dahy-thahy-on-ik, dith-ee-/US // ˌdaɪ θaɪˈɒn ɪk, ˌdɪθ i- //二硫酸盐,双硫酸盐,二硫代,二硫代的Definitionsadj.adjective · 形容词1. Chemistry.›of or derived from dithionic acid. Level 4More words in d →