Definition of niter in English:

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Pronunciation: /ˈnīdər/
(British nitre)


Another term for potassium nitrate.
Example sentences
  • The German U-boats were shooting on the boats, so most of the niter they were trying to import to make nitroglycerin was at the bottom of the ocean.
  • Various reflecting surfaces were used: polished metallic rocks such as obsidian, pyrite, and iron; rock crystal; and an alloy of rose copper and tin, plus an alchemical brew consisting of white arsenic, red tartar, and nitre.
  • Nitre, or niter, is also used to manufacture gunpowder.


Late Middle English: from Old French, from Latin nitrum, from Greek nitron.

For editors and proofreaders

Syllabification: ni·ter

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