Meaning of shale oil | Babel Free

Definitions

1. A synthetic crude oil obtained by the pyrolysis, hydrogenation, or thermal dissolution of oil shale.
   countable, uncountable
2. A crude oil obtained from low permeability petroleum-bearing formations (shales).
   countable, uncountable

Examples

“Up in the mountains along both sides of Parachute Creek the Exxon Corporation and other companies have begun to pour billions of dollars into two huge projects to turn the nation's immense reserves of oil shale into shale oil.”

CEFR level