wood coal   (TTS Sound)

The wood_coal has 2 Senses.

• brown coal, lignite, wood coal
• 亜炭, 褐炭
• intermediate between peat and bituminous coal
• ピートと瀝青炭の中間

• charcoal, wood coal
• チャコール, 木炭, 枝炭, 炭
• a carbonaceous material obtained by heating wood or other organic matter in the absence of air
• 空気のない中で、木や他の有機物質を加熱して得られる炭素質の物質