a chemical compound that occurs naturally in fertile soils, is made commercially from potassium hydroxide and nitric acid, and is used as a fertilizer, in making gunpowder, and in preserving meat: formula KNO3
| 单词 | potassium nitrate |
| 释义 | potassium nitratenouna chemical compound that occurs naturally in fertile soils, is made commercially from potassium hydroxide and nitric acid, and is used as a fertilizer, in making gunpowder, and in preserving meat: formula KNO3 |
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