1
: potassium carbonate especially from wood ashes
2
: potassium or a potassium compound especially as used in agriculture or industry
Examples of potash in a Sentence
Recent Examples on the Web
Large reserves of high-grade potash are more than a mile and a half underground in north-central Michigan.
—
Jenna Prestininzi, Freep.com, 8 Dec. 2025
Acquisitions and investments have expanded BHP’s copper operations by nearly 30% in three years and set it up to become one of the world’s largest producers of potash.
—Andrew Edgecliffe-Johnson, semafor.com, 24 Oct. 2025
If a soil test indicates that your soil is low in potassium, apply at a rate of 1 pound of potash per 1000 square feet of lawn.
—Mary Marlowe Leverette, Southern Living, 17 Oct. 2025
And farmers are suffering a double whammy because the costs of the inputs needed to grow those soybeans — fertilizer, seeds, potash, equipment — are rising, also because of tariffs.
—Patricia Lopez, Mercury News, 14 Oct. 2025
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Jenna Prestininzi, Freep.com, 8 Dec. 2025
Acquisitions and investments have expanded BHP’s copper operations by nearly 30% in three years and set it up to become one of the world’s largest producers of potash.
—Andrew Edgecliffe-Johnson, semafor.com, 24 Oct. 2025
If a soil test indicates that your soil is low in potassium, apply at a rate of 1 pound of potash per 1000 square feet of lawn.
—Mary Marlowe Leverette, Southern Living, 17 Oct. 2025
And farmers are suffering a double whammy because the costs of the inputs needed to grow those soybeans — fertilizer, seeds, potash, equipment — are rising, also because of tariffs.
—Patricia Lopez, Mercury News, 14 Oct. 2025
See All Example Sentences for potash
Cite this Entry
“Potash.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/potash. Accessed 16 Dec. 2025.
Copy CitationKids Definition
potash
noun
pot·ash
ˈpät-ˌash 
: potassium or a potassium compound
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