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4 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 salt·pe·ter /ˈsɔltˈpitɚ/
 硝石

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 salt·pe·ter /ˈsɔltˈpɪtɚ/ 名詞
 硝石,鉀硝,硝酸鉀

From: Webster's Revised Unabridged Dictionary (1913)

 Salt·pe·ter, Salt·pe·tre, n.  Chem. Potassium nitrate; niter; a white crystalline substance, KNO3, having a cooling saline taste, obtained by leaching from certain soils in which it is produced by the process of nitrification (see Nitrification, 2). It is a strong oxidizer, is the chief constituent of gunpowder, and is also used as an antiseptic in curing meat, and in medicine as a diuretic, diaphoretic, and refrigerant.
 Chili salpeter Chem., sodium nitrate (distinguished from potassium nitrate, or true salpeter), a white crystalline substance, NaNO3, having a cooling, saline, slightly bitter taste. It is obtained by leaching the soil of the rainless districts of Chili and Peru. It is deliquescent and cannot be used in gunpowder, but is employed in the production of nitric acid. Called also cubic niter.
 Saltpeter acid Chem., nitric acid; -- sometimes so called because made from saltpeter.
 

From: WordNet (r) 2.0

 saltpeter
      n : (KNO3) used especially as a fertilizer and explosive [syn: potassium
          nitrate, saltpetre, niter, nitre]