Noun
(KNO3) used especially as a fertilizer and explosive
Source: WordNetYou can't ask your pharmacist to stock larger quantities of potassium nitrate because you want to make a bigger rocket. Kary Mullis
According to a patent, the particle size of the sodium azide, potassium nitrate, and silicon dioxide are important. Source: Internet
' Gelignite ', or blasting gelatin, as it was named, was patented in 1876; and was followed by a host of similar combinations, modified by the addition of potassium nitrate and various other substances. Source: Internet
If one takes the median of 17 of these 22 compositions for rockets (75% nitrates, 9.06% sulfur, and 15.94% charcoal), it is nearly identical to the modern reported ideal gunpowder recipe of 75% potassium nitrate, 10% sulfur, and 15% charcoal. Source: Internet
Nitrogen also occurs in some relatively uncommon minerals, such as saltpeter (potassium nitrate), Chile saltpeter (sodium nitrate) and sal ammoniac (ammonium chloride). Source: Internet
Proportions by weight are 75% potassium nitrate (known as saltpeter or saltpetre), 15% softwood charcoal, and 10% sulfur. Source: Internet