kai·​nite | \ ˈkī-ˌnīt How to pronounce kainite (audio) , ˈkā- \
variants: or less commonly kainit \ kī-​ˈnēt How to pronounce kainit (audio) \

Definition of kainite

: 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

First Known Use of kainite

1868, in the meaning defined above

History and Etymology for kainite

German Kainit, from Greek kainos new — more at recent

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The first known use of kainite was in 1868

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Cite this Entry

“Kainite.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/kainite. Accessed 12 December 2019.

More from Merriam-Webster on kainite

Britannica.com: Encyclopedia article about kainite

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