English > potassium nitrate: 1 sense > noun 1, substanceMeaning | (KNO3) used especially as a fertilizer and explosive. |
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Synonyms | saltpeter, saltpetre, niter, nitre |
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Broader | nitrate | Any compound containing the nitrate group (such as a salt or ester of nitric acid) |
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Substance of | fertilizer, fertiliser, plant food | Any substance such as manure or a mixture of nitrates used to make soil more fertile |
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Spanish | nitrato de potasio, nitrato potásico, nitro, salitre |
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Catalan | nitrat de potassi, nitrat potàsic, nitre, nitro, salitre, salnitre |
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