Dictionary

potassium nitrate

noun

Definition of POTASSIUM NITRATE

:  a crystalline salt KNO3 that occurs as a product of nitrification in arable soils, is a strong oxidizer, and is used especially in making gunpowder, as a fertilizer, and in medicine
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First Known Use of POTASSIUM NITRATE

1869
Medical Dictionary

potassium nitrate

noun

Medical Definition of POTASSIUM NITRATE

:  a crystalline salt KNO3 that is a strong oxidizing agent and is used in medicine chiefly as a diuretic—called also niter, saltpeter

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