patent fuel
Noun
Meaning
patent fuel (countable and uncountable, plural patent fuels)
Fuel, usually in the form of briquettes, made from fine, crushed coal with the addition of a binding agent.
Noun
patent fuel (countable and uncountable, plural patent fuels)
Fuel, usually in the form of briquettes, made from fine, crushed coal with the addition of a binding agent.