Fossil oil and Petrol

Fossil oil noun - A dark oil consisting mainly of hydrocarbons.

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

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

Nearby Words: petrology, petrolic