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Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Potassium nitrate.
  • n. Sodium nitrate.

from The Century Dictionary and Cyclopedia

  • n. See saltpeter.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. (KNO3) used especially as a fertilizer and explosive

Etymologies

From the Old French salpetre, from Late Latin sāl petrae ("stone salt; possibly "salt of Petra""). (Wiktionary)

Examples

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