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.

And yet now whales that were once hunted for their oil are falling victim to the effects of the petroleum or “rock oil” that replaced their melted blubber as a source of light and lubrication.

From Los Angeles Times

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Then came the great discovery of rock oil, which rapidly superseded the whale oil of commerce in general use.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