皮質 pízhì leather Definitions Defs Origin Strokes Stroke Words Sentences Sents pízhì leather 皮 pí noun skin; leather skin, fur, or hide of humans or animals; leather; peel or bark of plants质 質 zhì noun quality quality; character; the fundamental nature of something or the standard of excellence of a product or workpízhì cortex 皮 pí noun surface the surface or outer layer of something; a wrapper; a cover质 質 zhì nounaffix substance (bound form) physical matter; substance; the material essence of an object