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| Subject | English | Norwegian Bokmål |
| bot. | sulphur cinquefoil | stormure (Potentilla recta L.) |
| environ. | sulphur concentration Sulphur content in a solution | svovelkonsentrasjon |
| environ. | sulphur dioxide Emissions of the gas given off during the burning of fossil fuels in power stations and other boilers. Sulphur dioxide is created because sulphur is an impurity in most coal and oils. When the fuel is burned the hot sulphur reacts with oxygen in the atmosphere to form sulphur dioxide, SO2 | svoveldioksid |
| PSP | sulphur hexafluoride circuit-breaker | SF6-effektbryter |
| environ. | sulphur monoxide A gas at ordinary temperatures; produces an orange-red deposit when cooled to temperatures of liquid air; prepared by passing an electric discharge through a mixture of sulfur vapor and sulfur dioxide at low temperature | svovelmonoksid |
| environ. | sulphur oxide An oxide of sulphur, such as sulphur dioxide and sulphur trioxide; they are formed primarily from the combustion of fossil fuels; major air pollutants and cause of damage to the respiratory tract as well as vegetation, SOx | svoveloksid |