That is the correct spelling of "petroleum" (crude oil, a mix of liquid hydrocarbons).
Petroleum
The correct spelling is petroleum (oil).
Those letters spell petroleum.
The correct spelling is petroleum (crude oil).
As you have given it. 'petrol' More formally, ' petroleum'. or 'Gasoline/gas' (American).
petroleum refining is petroleum refining
Something that contains no petroleum is petroleum-free.
A. E. Dunstan has written: 'The science of petroleum' -- subject(s): Petroleum engineering, Petroleum industry and trade 'Chemistry and the petroleum industry' -- subject(s): Petroleum
a bit
petroleum is a science fact
No, it is not. Petroleum is a form of resource.
Norman J. Hyne has written: 'Geology for petroleum exploration, drilling, and production' -- subject(s): Petroleum, Prospecting, Petroleum engineering, Geology 'Dictionary of petroleum exploration, drilling & production' -- subject(s): Dictionaries, Petroleum, Petroleum engineering 'Nontechnical guide to petroleum geology, exploration, drilling, and production' -- subject(s): Prospecting, Petroleum, Petroleum engineering, Geology