Nantoka/硝xiāo硝 (xiāo) is a Chinese word meaning “saltpeter; to tan (leather)”.Meanings1saltpeter2to tan (leather)Related words硝酸铵ammonium nitrate硝烟smoke (from guns)硝酸盐nitrate硝酸nitric acid硝酸甘油nitroglycerine硝酸银silver nitrate亚硝酸盐nitrite硝化棉nitrocellulose; guncotton硝酸钠sodium nitrate硝石niter亚硝酸nitrous acid硝酸钾potassium nitrateStudy Chinese with flashcards →