Origin: Latin suffix -ate
Potassium nitrate has 2 different meanings across 1 category:
(KNO3) used especially as a fertilizer and explosive
KNO₃, a naturally occurring salt, notably used as an ingredient of gunpowder; also used a food preservative and as an ingredient in toothpaste for sensitive gums; historically used in the production of nitric acid (HNO₃).