木素 mùsù lignin Origin Definitions Defs Strokes Stroke Words Sentences Sents mùsù lignin 木 mù noun wood (bound form) wood; timber; lumber素 sù noun element (bound form) essential part; element; constituent; basic naturemùsù instrument of torture 木 mù noun wood (bound form) wood; timber; lumber素 sù noun plain plain; unadorned; simple in color or style