Definition of sylvinite in English:

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Pronunciation: /ˈsɪlvɪnʌɪt/


[mass noun]
A mixture of the minerals sylvite and halite, mined as a source of potash.
Example sentences
  • The most important source of potash in the United States is a mine near Carlsbad, New Mexico, that produces sylvinite.
  • The potash ore in the Sallent mine is a reddish mineral known as sylvinite, a form of potassium chloride.
  • It occurs naturally as the mineral sylvite and in combination with sodium chloride as sylvinite.


Late 19th century: from sylvine + -ite1.

For editors and proofreaders

Line breaks: syl|vin¦ite

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