The solid residue of impure carbon obtained from bituminous coal and other carbonaceous materials after removal of volatile material by destructive distillation.It is used as a fuel and in making steel.

• 焦炭从烟煤和其他含碳物质中经过毁馏除去其中的易挥发物质而获取的含杂质碳的固体残余物，作燃料及炼钢之用