charcoal
/ˈtʃɑːkəʊl/noun
mass noun
1- a porous black solid, consisting of an amorphous form of carbon, obtained as a residue when wood, bone, or other organic matter is heated in the absence of air炭, 木炭。
1.1
- a substance of this kind used for drawing木炭笔。
1.2
- count noun a drawing made using this substance木炭画。
1.3
- a dark grey colour炭灰色：
as modifier a phone in charcoal grey.一部炭灰色的电话。
词源
late Middle English: probably related to COAL in the early sense 'charcoal'.