potassium sulfate

noun

: a white crystalline compound K2SO4 used especially as a fertilizer

Examples of potassium sulfate in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Potash includes potassium nitrate, potassium chloride and potassium sulfate. Jenna Prestininzi, Freep.com, 8 Dec. 2025 In addition to water and carbonation, it’s infused with minerals such as sodium bicarbonate, potassium sulfate, or sodium chloride. Emily Price, Forbes.com, 2 Apr. 2025 Ingredients like sodium, potassium bicarbonate, and potassium sulfate give club soda its salty, mineral taste. Alison Mango, Health, 1 June 2024 Potash, or potassium sulfate, is currently mined in regions including Carlsbad, New Mexico and at Utah’s Bonneville Salt Flats, where the Bureau of Land Management also oversees a private company’s potash mining operations. The Salt Lake Tribune, 1 Aug. 2023

Word History

First Known Use

1869, in the meaning defined above

Time Traveler
The first known use of potassium sulfate was in 1869

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Cite this Entry

“Potassium sulfate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/potassium%20sulfate. Accessed 5 Jul. 2026.

Kids Definition

potassium sulfate

noun
: a white salt used especially as a fertilizer

Medical Definition

potassium sulfate

noun
: a white crystalline compound K2SO4 which has been used medicinally as a cathartic

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