thio·sul·phu·ric /-ˌsəlˈfjʊ(ə)rɪk/ 形容詞
Thi·o·sul·phur·ic a. Chem. Of, pertaining to, or designating, an unstable acid, H2S2O3, analogous to sulphuric acid, and formerly called hyposulphurous acid. ◄ ►