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an acid formed by replacement of an oxygen atom in an oxo acid or carboxylic acid by a sulfur atom, e.g., thiophosphoric acid (H3PSO3) or thioacetic acid (CH3COSH).Medical dictionary. 2011.
thio acid — [thī′ō] n. [see THIO ] an acid in which part or all of the oxygen atoms in the molecule have been replaced by sulfur atoms … English World dictionary
thio acid — noun Etymology: International Scientific Vocabulary thio + acid : an acid in which oxygen is partly or wholly replaced by sulfur * * * Chem. an acid in which part or all of the oxygen has been replaced by sulfur. [1890 95] … Useful english dictionary
thio-acid — thiˈo acid noun An acid analogous in constitution to an oxyacid, sulphur taking the place of oxygen • • • Main Entry: ↑thio … Useful english dictionary
thio acid — noun Etymology: International Scientific Vocabulary, from thi Date: 1876 an acid in which oxygen is partly or wholly replaced by sulfur … New Collegiate Dictionary
thio acid — Chem. an acid in which part or all of the oxygen has been replaced by sulfur. [1890 95] * * * … Universalium
thio-salt — thiˈo salt noun A salt of a thio acid • • • Main Entry: ↑thio … Useful english dictionary
thio salt — Chem. a salt of a thio acid. * * * … Universalium
thio- — comb. form sulphur, esp. replacing oxygen in compounds (thio acid). Etymology: Gk theion sulphur … Useful english dictionary
thio salt — Chem. a salt of a thio acid … Useful english dictionary
Thio- — This article is about the prefix in organic chemistry. For the town in New Caledonia, see Thio, New Caledonia. The prefix thio , when applied to a chemical, such as an ion, means that an oxygen atom in the compound has been replaced by a sulfur… … Wikipedia
