rock oil
Americannoun
noun
"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012Etymology
Origin of rock oil
1660–70; translation of Medieval Latin petroleum
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.
In tracing the industry and its impact on our lives, Maddow begins at the beginning, in 1859, with the discovery of “rock oil” and, a few years later, John D. Rockefeller’s founding of Standard Oil.
From Washington Post
Drake had been hoping to find "rock oil", a brownish unrefined "crude" oil that sometimes bubbled near the surface of western Pennsylvania.
From BBC
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 Project Gutenberg
Then came the great discovery of rock oil, which rapidly superseded the whale oil of commerce in general use.
From Project Gutenberg
No. On all bearings the same oil, but on mainspring a rock oil.
From Project Gutenberg
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
