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calcium cyanamide

noun

: a compound CaCN2 used as a fertilizer and a weed killer and as a source of other nitrogen compounds

Word History

First Known Use

1885, in the meaning defined above

Time Traveler
The first known use of calcium cyanamide was in 1885

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Cite this Entry

“Calcium cyanamide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/calcium%20cyanamide. Accessed 1 Dec. 2025.

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