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Definition of potassium nitrate in English: potassium nitratenoun mass nounA white crystalline salt which occurs naturally in nitre and is used in preserving meat and as a constituent of gunpowder. 硝酸钾，钾硝 Chemical formula: KNO₃ Example sentencesExamples - The first chemical explosive was gunpowder, or black powder, a mixture of charcoal, sulfur, and potassium nitrate.
- The Chinese discovered it before 1000 A.D. during the Sung Dynasty, using a compound of charcoal, potassium nitrate, and sulfur to produce powerful rockets and fireworks.
- The flux also might contain silica, borax, soda ash, potassium nitrate and household flour.
- Several formulations are available, and all are based on fertilizers such as urea, ammonium nitrate, ammoniated phosphates, potassium sulfate, potassium nitrate.
- Fertilizers containing high amounts of nitrate of soda, muriate of potash, potassium nitrate and ammonium nitrate can cause the highest accumulated salts.
Definition of potassium nitrate in US English: potassium nitratenoun A white crystalline salt, occurring naturally and produced synthetically, used in fertilizer, as a meat preservative, and as a constituent of gunpowder. 硝酸钾，钾硝 Chemical formula: KNO₃ Also called saltpeter or niter Example sentencesExamples - Several formulations are available, and all are based on fertilizers such as urea, ammonium nitrate, ammoniated phosphates, potassium sulfate, potassium nitrate.
- The flux also might contain silica, borax, soda ash, potassium nitrate and household flour.
- The Chinese discovered it before 1000 A.D. during the Sung Dynasty, using a compound of charcoal, potassium nitrate, and sulfur to produce powerful rockets and fireworks.
- The first chemical explosive was gunpowder, or black powder, a mixture of charcoal, sulfur, and potassium nitrate.
- Fertilizers containing high amounts of nitrate of soda, muriate of potash, potassium nitrate and ammonium nitrate can cause the highest accumulated salts.
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