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Trithionic \Tri`thi*on"ic\, a. [Pref. tri- + thionic.] (Chem.) Of or pertaining to, or designating, a certain thionic acid, H2S3O6 which is obtained as a colorless, odorless liquid. [1913 Webster]See also: H2S3O6 more...
Tetrathionic \Tet`ra*thi*on"ic\, a. [Tetra- + thionic.] (Chem.) Of, pertaining to, or designating, a thionic derivative, H2S4O6, of sulphuric acid, obtained as a colorless, odorless liquid. [1913 Webster]See also: H2S4O6 more...
Selenhydric \Sel`en*hy"dric\, a. (Chem.) Of, pertaining to, or designating, hydrogen selenide, H2Se, regarded as an acid analogous to sulphydric acid. [1913 Webster]See also: H2Se more...
Silicofluoric \Sil`i*co*flu*or"ic\, a. (Chem.) Containing, or composed of, silicon and fluorine; especially, denoting the compounds called silicofluorides. [1913 Webster] Silicofluoric acid (Chem.), a compound of hydrofluoric acid and silicon fluoride, known only in watery solution. It is produced by the action of silicon fluoride on water, and is regarded as an acid, H2SiF6, and the type and origin of the silicofluorides. [1913 Webster]See also: Silicofluoric acid H2SiF6 more...
Hyposulphurous \Hy`po*sul"phur*ous\, a. [Pref. hypo- + sulphurous.] (Chem.) Pertaining to, or containing, sulphur, all, or a part, in a low state of oxidation. [1913 Webster] Hyposulphurous acid. (a) Thiosulphuric acid. [Obs.] (b) An acid, H2SO2, obtained by the reduction of sulphurous acid. It is not obtained in the free state, but in an orange-yellow water solution, which is a strong reducing and bleaching agent. Called also hydrosulphurous acid. more...
Sulphurous \Sul"phur*ous\, a. [L. sulphurosus, sulfurosus: cf. F. sulfureux.] 1. Of or pertaining to sulphur. [1913 Webster] 2. (Chem.) (a) Derived from, or containing, sulphur; specifically, designating those compounds in which the element has a lower valence as contrasted with the sulphuric compounds. (b) Having the characteristic odor of sulphur dioxide, or more...
Sulphionide \Sulph*i"on*ide\, n. (Chem.) A binary compound of sulphion, or one so regarded; thus, sulphuric acid, H2SO4, is a sulphionide. [1913 Webster]See also: H2SO4 Sulphuric \Sul*phu"ric\, a. [Cf. F. sulfurique.] 1. Of or pertaining to sulphur; as, a sulphuric smell. [1913 Webster] 2. (Chem.) Derived from, or containing, sulphur; specifically, designating those compounds in which the element has a higher valence as contrasted with the sulphurous compounds; as, sulphuric acid. more...