noun. (KNO3) used especially as a fertilizer and explosive.
- potassium nitrate
Example sentences of the word saltpeter
1. Noun, singular or mass
Beet juice can substitute for saltpeter as a means to cure meat in a chemically free way.
2. Verb, base form
As an alternative to saltpeter, the natural nitrates in sea salt can change to nitrites when they encounter certain bacteria, replicating the characteristics of traditionally cured meats, according to the American Meat Institute.
3. Adjective, comparative
Fire safety precautions include storing saltpeter away from combustibles.