noun
coke
A solid carbon fuel made by heating coal without air.
The steel mill uses coke to fuel its blast furnace.
Etymology
Probably a variant of colke, “core” or “charcoal.” The exact formation is uncertain and is unrelated to cocaine.
More examples
- Heating coal without air produces coke.
- Workers shovel coke into the furnace.
- These lumps of coke have a porous texture.
Forms
coke
Similar words
- charcoal
- Usually made from wood rather than coal without air.
- coal
- A naturally occurring fuel processed by heating to make coke.