Thiosulphuric
Pronunciation : Thi`o*sul*phur"ic
Part of Speech : a.
Etymology : [Thio- + sulphuric.] (Chem.)
Definition : Defn: Of, pertaining to, or designating, an unstable acid, H2S2O3, analogous to sulphuric acid, and formerly called hyposulphurous acid.
Source : Webster's Unabridged Dictionary, 1913