potassium nitrate
短语
大学
[化] 硝石; 硝酸钾 [医] 硝酸钾
发音
其它
释义与例句
n.
-
1.
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).
硝石
硝酸钾
不可数 化学