rock oil
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
But by fracking the rock, oil flowed from the shale.
From The Wall Street Journal • Apr. 8, 2014
His report was so favorable that a company was formed, which leased all the land along Oil Creek upon which were traces of the new rock oil.
From Inventors by Hubert, Philip Gengembre
Petroleum, or rock oil, is a dark greenish brown liquid which when refined yields gasolene, naphtha, benzine, kerosene, lubricating oils, and paraffin.
From Checking the Waste A Study in Conservation by Gregory, Mary Huston
No. On all bearings the same oil, but on mainspring a rock oil.
From Friction, Lubrication and the Lubricants in Horology by Lewis, William T.
From such processes the so-called hydrocarbons, rock oil and natural gas, have accumulated.
From Earth and Sky Every Child Should Know Easy studies of the earth and the stars for any time and place by Rogers, Julia Ellen