kai·​nite ˈkī-ˌnīt How to pronounce kainite (audio)
variants or less commonly kainit
: a natural salt KMg(SO4)Cl·3H2O consisting of a hydrous sulfate and chloride of magnesium and potassium that is used as a fertilizer and as a source of potassium and magnesium compounds

Word History


German Kainit, from Greek kainos new — more at recent

First Known Use

1868, in the meaning defined above

Time Traveler
The first known use of kainite was in 1868

Dictionary Entries Near kainite

Cite this Entry

“Kainite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/kainite. Accessed 15 Jun. 2024.

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