Definition of petroleum:
- Rock oil, mineral oil, or natural oil, a dark brown or greenish inflammable liquid, which, at certain points, exists in the upper strata of the earth, from whence it is pumped, or forced by pressure of the gas attending it. It consists of a complex mixture of various hydrocarbons, largely of the methane series, but may vary much in appearance, composition, and properties. It is refined by distillation, and the products include kerosene, benzine, gasoline, paraffin, etc.
No matter what reason there could be, the arrogant and extravagant city cannot be expected to give up petroleum until it has consumed the last drop, so noting what the future will bring, Nature promised the Earth that the cities would perish.- "Down-with-the-Cities", Nakashima, Tadashi.
- "The Law of Hemlock Mountain", Hugh Lundsford.
- "Blake's Burden", Harold Bindloss.