potassium sulfate


: a white crystalline compound K2SO4 used especially as a fertilizer

Example Sentences

Recent Examples on the Web The only catch: Check the label for preservatives like potassium sulfate or sodium benzoate, both of which can kill the yeast required for fermentation. Justin Pot, WSJ, 7 Sep. 2022 Minerals obtained today are used for road and softener salt, magnesium chloride for steel production, and potassium sulfate for fertilizer. The Salt Lake Tribune, 20 May 2022 Three of the derailed cars were carrying potassium sulfate, which is used to make fertilizer. oregonlive, 29 Sep. 2019

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

Word History

First Known Use

1869, in the meaning defined above

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

Dictionary Entries Near potassium sulfate

Cite this Entry

“Potassium sulfate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/potassium%20sulfate. Accessed 30 Jan. 2023.

Kids Definition

potassium sulfate

: a white salt used especially as a fertilizer

Medical Definition

potassium sulfate

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

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