potassium sulfate

noun

Definition of potassium sulfate

: a white crystalline compound K2SO4 used especially as a fertilizer

First Known Use of potassium sulfate

1869, in the meaning defined above

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The first known use of potassium sulfate was in 1869

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potassium sulfate

noun

Medical Definition of potassium sulfate

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

More from Merriam-Webster on potassium sulfate

Britannica.com: Encyclopedia article about potassium sulfate

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