皮硝 píxiāo Glauber's salt Definitions Defs Origin Strokes Stroke Words Sentences Sents 皮 pí noun skin; leather skin, fur, or hide of humans or animals; leather; peel or bark of plants硝 xiāo noun saltpeter General name for mineral salts such as niter or saltpeter; often used to make gunpowder, fertilizer, or medicine