木黑油 mùhēiyóu wood tar Definitions Defs Origin Strokes Stroke Words Sentences Sents 木 mù noun wood (bound form) wood; timber; lumber黑 hēi adjective black the color of coal or ink; opposite of 白 bái油 yóu noun oil oil; fat; grease; any of various liquid fats or hydrocarbons used as food, fuel, or lubricants