| sulphion | <chemistry> A hypothetical radical, SO4, regarded as forming the acid or negative constituent of sulphuric acid and the sulphates in electrolytic decomposition; so called in accordance with the binary theory of salts. Alternative forms: sulphione. Source: Websters Dictionary (01 Mar 1998) |
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| sulphionide | <chemistry> A binary compound of sulphion, or one so regarded; thus, sulphuric acid, HSO, is a sulphionide. Source: Websters Dictionary (01 Mar 1998) |
| sulphite | <chemistry> A salt of sulphurous acid. Origin: Cf. F. Sulfite. See Sulphur. Source: Websters Dictionary (01 Mar 1998) |
| sulphite preservative | <pharmacology> A widely used preservative and antioxidant in foods. Often used to keep lettuce fresh. It is also common in packaged potato products, as well as other produce, certain types of seafood and even in beer and wine. They are currently used in over 1,000 drug products both prescription and nonprescription. Common label names: sulphur dioxide, potassium bisulphite, potassium metabisulphite, sodium metabisulphite or sodium sulphite. (19 Jan 1998) |
| sulphites | <pharmacology> A group of compounds used as food and drug preservatives that is known to evoke a severe allergic response in sensitive individuals. Symptoms may include rash, urticaria, angioedema, wheezing or low blood pressure. (27 Sep 1997) |
| sulpho- | <chemistry, prefix> A prefix (also used adjectively) designating sulphur as an ingredient in certain compounds. (29 Oct 1998) |
| sulphoarsenic | <chemistry> Of, pertaining to, or containing, sulphur and arsenic; said of an acid which is the same as arsenic acid with the substitution of sulphur for oxygen. Source: Websters Dictionary (01 Mar 1998) |
| sulphocarbonate | <chemistry> A salt of sulphocarbonic acid; a thiocarbonate. Source: Websters Dictionary (01 Mar 1998) |
| sulphocarbonic | <chemistry> Of, pertaining to, or designating, a sulphacid, H2CSO2 (called also thiocarbonic acid), or an acid, H2CS3, analogous to carbonic acid, obtained as a yellow oily liquid of a pungent odour, and forming salts. Source: Websters Dictionary (01 Mar 1998) |
| sulphocyanate | <chemistry> A salt of sulphocyanic acid; also called thiocyanate, and formerly inaccurately sulphocyanide. Ferric sulphocyanate, a dark red crystalline substance usually obtained in a blood-red solution, and recognised as a test for ferric iron. Source: Websters Dictionary (01 Mar 1998) |
| sulphocyanic | <chemistry> Of, pertaining to, derived from, or designating, a sulphacid, HSCN, analogous to cyanic acid, and obtained as a colourless deliquescent crystalline substance, having a bitter saline taste, and not poisonous. See: Sulphur, Cyanic. Source: Websters Dictionary (01 Mar 1998) |
| sulphocyanide | <chemistry> See Sulphocyanate. Source: Websters Dictionary (01 Mar 1998) |
| sulphocyanogen | <chemistry> See Persulphocyanogen. Source: Websters Dictionary (01 Mar 1998) |
| sulphoglucosamine sulphamidase | <enzyme> Believed to be defect in mucopolysaccharidosis IIIa (sanfilippo syndrome a) Registry number: EC 3.10.1.1 Synonym: sulfoglucosamine sulfamidase, sulphamate sulphamidase, sulphamidase, sulfamidase, heparin sulfamidase, heparin sulfamatase, heparin n-sulfatase, 2-deoxy-d-glucoside-2-sulfamate sulfohydrolase, sulfamate sulfohydrolase, sulfamate sulfatase (26 Jun 1999) |
| sulpholipid | <biochemistry> Lipids in which the polar head group contains sulphate species. Synthesised in the Golgi complex. (18 Nov 1997) |