名词<美>硝酸钾，硝石
1. 硝石：NERC美国门窗等级评定委员会 | niter硝石 | nitrile rubber丁腈橡胶
2. 硝酸钠：niobiumperovskite 含铌钙钛 | niter 硝酸钠 | nitercake 硫酸氢钠
3. 硝酸钾：nite writer pen 荧光笔 | niter 硝酸钾 | nitid 明亮的
4. 钾硝石：钾钠地热温标||sodium-potassium geothermometer | 钾硝石||niter | 钾盐||sylvite, sylvine
noun
1. (KNO3) used especially as a fertilizer and explosive
Synonym: potassium nitrate saltpeter saltpetre nitre