noun Date: 1869 a crystalline salt KNO 3 that occurs as a product of nitrification in arable soils, is a strong oxidizer, and is used especially in making gunpowder, as a fertilizer, and in medicine
POTASSIUM NITRATE
Meaning of POTASSIUM NITRATE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012