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sulphur or (US) sulfur
noun (symbol S, atomic number 16) a yellow solid non-metallic element that occurs naturally in volcanic regions, areas around hot springs, in deposits deep underground and as a constituent of the amino acids cysteine and methionine, which are found in most proteins. Its main uses are in the vulcanization of rubber and the manufacture of sulphuric acid, fungicides, insecticides, gunpowder, matches, fertilizers and sulphonamide drugs. Also (old use) called brimstone.
verb (sulphured , sulphuring ) to treat or fumigate using sulphur.
[14c: from French soufre , from Latin sulfur ]
sulphuric adjective .
sulphury adjective .
noun (symbol S, atomic number 16) a yellow solid non-metallic element that occurs naturally in volcanic regions, areas around hot springs, in deposits deep underground and as a constituent of the amino acids cysteine and methionine, which are found in most proteins. Its main uses are in the vulcanization of rubber and the manufacture of sulphuric acid, fungicides, insecticides, gunpowder, matches, fertilizers and sulphonamide drugs. Also (old use) called brimstone.
verb (sulphured , sulphuring ) to treat or fumigate using sulphur.
[14c: from French soufre , from Latin sulfur ]
sulphuric adjective .
sulphury adjective .
sulphur dioxide
noun , chem (formula SO2) a colourless, pungent-smelling, toxic gas produced in the burning of fossil fuels and other sulphur-containing compounds. It is used as a reducing agent, as a bleach for paper and straw, as a food preservative, fumigant and solvent, and also in metal refining, paper pulping and the manufacture of sulphuric acid.
noun , chem (formula SO2) a colourless, pungent-smelling, toxic gas produced in the burning of fossil fuels and other sulphur-containing compounds. It is used as a reducing agent, as a bleach for paper and straw, as a food preservative, fumigant and solvent, and also in metal refining, paper pulping and the manufacture of sulphuric acid.
sulphurate or (US) sulfurate
verb (sulphurated , sulphurating ) to combine or treat with sulphur, eg in bleaching processes. Also called sulphurize.
[18c]
sulphuration noun .
sulphurator noun .
verb (sulphurated , sulphurating ) to combine or treat with sulphur, eg in bleaching processes. Also called sulphurize.
[18c]
sulphuration noun .
sulphurator noun .
sulphureous or (US) sulfureous
adjective
1 sulphurous.
2 sulphur-yellow in colour.
adjective
1 sulphurous.
2 sulphur-yellow in colour.
sulphuric acid or (US) sulfuric acid
noun , chem (formula H2SO4) a colourless odourless oily liquid that is highly corrosive and strongly acidic when diluted with water. It is widely used in the manufacture of organic chemicals, fertilizers, explosives, detergents, paints, and dyes and as a laboratory reagent; dilute sulphuric acid is used as an electrolyte in car batteries and for electroplating.
noun , chem (formula H2SO4) a colourless odourless oily liquid that is highly corrosive and strongly acidic when diluted with water. It is widely used in the manufacture of organic chemicals, fertilizers, explosives, detergents, paints, and dyes and as a laboratory reagent; dilute sulphuric acid is used as an electrolyte in car batteries and for electroplating.
© Hodder Education
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