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
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.
Lastly, the United States depends heavily on Canada for potash, an important fertilizer for American farmers. — Tom Zirpoli, Baltimore Sun, 15 Sep. 2026 Canada is one of the three largest potash producers in the world, the other two being Russia and Belarus. — Trudy Rubin, Mercury News, 8 Sep. 2026 So, even a one-year restriction on potash access can have an impact. — Jayash Paudel, The Conversation, 27 Aug. 2026 Canada could restrict key exports to the US, such as energy and a key fertilizer ingredient known as potash, said Diamond Isinger, a policy strategist and former special advisor on Canada-US relations to Prime Minister Justin Trudeau. — Elisabeth Buchwald, CNN Money, 25 Aug. 2026 See All Example Sentences for potash

Word History

Etymology

singular of pot ashes

First Known Use

1668, in the meaning defined at sense 1

Time Traveler
The first known use of potash was in 1668

Browse Nearby Words

Cite this Entry

“Potash.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/potash. Accessed 26 Sep. 2026.

Kids Definition

: potassium or a potassium compound

Medical Definition

1
a
: potassium carbonate especially from wood ashes
2
: potassium or a potassium compound especially as used in agriculture or industry

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