褶皱 Traditional form: 褶皺 Pinyin (reading): zhězhòu Definitions: fold; crease; wrinkle (geology) fold Characters: 褶 - wrinkle, pleat, crease 皱 - wrinkles, creases, folds Traditional characters: 褶 - wrinkle, pleat, crease 皺 - wrinkles, creases, folds