ジクロロ酢さく酸さんMeanings1noundichloroacetic acidchemistryA chlorinated derivative of acetic acid; used in organic synthesis and as a chemical intermediate. Technical term in chemistry.ジクロロ酢さく酸さんは有ゆう機き合ごう成せいに用もちいられる。Dichloroacetic acid is used in organic synthesis.