The Clue
Coal, e.g. (4 letter answer)
The Answer
FUEL
Tags
Notes
The answer FUEL is uncommon, appearing about once every 450 puzzles.
Related Clues
Uranium or plutonium, for a nuclear reactor
Ammunition
Coal, for one
Coke, for one
Energize
Feed
Peat, for one
Stoke
Coal or coke
Fire up
Gas or oil
Gasohol, e.g.
Gasoline or peat
Give power to
Natural gas, for one
Peat, e.g.
Peat or oil
Peat or propane
Power source
Winter need
Coal, oil or peat
Sustenance for an iron horse
Precamping purchase
It may be pumped
Definition
FUEL as a noun:
1. a substance that can be consumed to produce energy; "more fuel is needed during the winter months"; "they developed alternative fuels for aircraft"
FUEL as a verb:
1. provide with a combustible substance that provides energy; "fuel aircraft, ships, and cars"
2. (fuel, fire) = provide with fuel; "Oil fires the furnace"
3. take in fuel, as of a ship; "The tanker fueled in Bahrain"
4. stimulate; "fuel the debate on creationism"