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
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
His words are:— “Petroleum, rock oil, or what the Welsh call it, Ymenin tylwyth têg, or Fairies’ butter, has been found in the lime stone strata in our mineral country.
From Welsh Folk-Lore a Collection of the Folk-Tales and Legends of North Wales by Owen, Elias
Both Townsend and Drake would have died richer men had they never heard of the Pennsylvania rock oil.
From Inventors by Hubert, Philip Gengembre
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.
