Coal oil and Petrol

Coal oil noun - A flammable hydrocarbon oil used as fuel in lamps and heaters.

Petrol and coal oil are semantically related in unrefined petroleum topic. In some cases you can use "Petrol" instead a noun phrase "Coal oil".

Petrol noun - A volatile flammable mixture of hydrocarbons (hexane and heptane and octane etc.) derived from petroleum; used mainly as a fuel in internal-combustion engines.

Coal oil and petrol are semantically related in unrefined petroleum topic. You can use "Coal oil" instead a noun "Petrol".

Nearby Words: petrology, petrolic