硝化 xiāohuà to nitrify Origin Definitions Defs Strokes Stroke Words Sentences Sents 硝 xiāo noun saltpeter General name for mineral salts such as niter or saltpeter; often used to make gunpowder, fertilizer, or medicine化 huà affixparticle [...-ize] Suffix appearing after nouns or adjectives that expresses a transformation into a certain state or quality, meaning "-ize" or "-ization"