- a colourless or white crystalline compound used in gunpowders, pyrotechnics, fertilizers, and as a preservative for foods, esp as a curing salt for ham, sausages, etc (E252). Formula: KNO3
Also called: saltpetre, nitre
| 单词 | potassium nitrate |
| 释义 | WordReference Random House Unabridged Dictionary of American English © 2024 potas′sium ni′trate, [Chem.]
Collins Concise English Dictionary © HarperCollins Publishers:: potassium nitrate n
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