Kerosene n. : An oil used for illuminating purposes, formerly obtained from the distillation of mineral wax, bituminous shale, etc., and hence called also coal oil. It is now produced in immense quantities, chiefly by the distillation and purification of petroleum. It consists chiefly of several hydrocarbons of the methane series.

Example:
How did the discovery of Kerosene change the process of gathering petroleum?

Taxonomy
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Defination from the web:
Kerosene was registered as a trademark by Abraham Gesner in 1854 and for several years only the North American Gas Light Company and the ... Kerosene is obtained from the fractional distillation of petroleum between 150 °C and 275 °C, resulting in a mixture of carbon chains that ...