Nantoka/硝石xiāo shí硝石 (xiāo shí) is a Chinese word meaning “niter; saltpeter; potassium nitrate KNO3”.Meanings1niter2saltpeter3potassium nitrate KNO3Characters in 硝石硝xiāo · saltpeter石dàn · dry measure for grain equal to ten dou 斗[dou3]; one hundred litersRelated words石头stone钻石diamond石dry measure for grain equal to ten dou 斗[dou3]; one hundred liters石rock石surname Shi石油oil岩石(geology) rock宝石precious stone; gem陨石meteorite大理石marble石膏gypsum CaSO4·2(H2O)水落石出lit. as the water recedes, the rocks appear (idiom)Study Chinese with flashcards →