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

Examples of potassium nitrate in a Sentence

Recent Examples on the Web Sodium nitrite and potassium nitrate are key ingredients in curing meat. Sandee Lamotte, CNN, "FDA must do more to regulate thousands of chemicals added to your food, petitioners say," 23 Sep. 2020 When ignited, charcoal inside the canister burns, while chemical compounds such as potassium nitrate and potassium chlorate produce oxygen that fuel the fire. Jennifer Leman, Popular Mechanics, "Watch This Protester Instantly Neutralize Tear Gas," 31 May 2020 When ignited, charcoal inside the canister burns, while chemical compounds such as potassium nitrate and potassium chlorate produce oxygen that fuel the fire. Jennifer Leman, Popular Mechanics, "Watch This Protester Instantly Neutralize Tear Gas," 31 May 2020 When ignited, charcoal inside the canister burns, while chemical compounds such as potassium nitrate and potassium chlorate produce oxygen that fuel the fire. Jennifer Leman, Popular Mechanics, "Watch This Protester Instantly Neutralize Tear Gas," 31 May 2020 When ignited, charcoal inside the canister burns, while chemical compounds such as potassium nitrate and potassium chlorate produce oxygen that fuel the fire. Jennifer Leman, Popular Mechanics, "Watch This Protester Instantly Neutralize Tear Gas," 31 May 2020 When ignited, charcoal inside the canister burns, while chemical compounds such as potassium nitrate and potassium chlorate produce oxygen that fuel the fire. Jennifer Leman, Popular Mechanics, "Watch This Protester Instantly Neutralize Tear Gas," 31 May 2020 Maybe part of it is that potassium nitrate is one of the ingredients in gunpowder. Howard Garrett, Dallas News, "How to remove a tree stump the organic way," 30 Jan. 2020 Some websites such as SeedRanch.com sell potassium nitrate online, and the prices look reasonable. Howard Garrett, Dallas News, "How to remove a tree stump the organic way," 30 Jan. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'potassium nitrate.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of potassium nitrate

1866, in the meaning defined above

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Time Traveler for potassium nitrate

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The first known use of potassium nitrate was in 1866

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Statistics for potassium nitrate

Last Updated

29 Sep 2020

Cite this Entry

“Potassium nitrate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/potassium%20nitrate. Accessed 22 Oct. 2020.

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More Definitions for potassium nitrate

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

More from Merriam-Webster on potassium nitrate

Britannica.com: Encyclopedia article about potassium nitrate

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