A naturally occurring, flammable liquid found in geological formations beneath the Earth's surface, composed of hydrocarbons and other organic compounds.

The country has vast reserves of petroleum, which it exports to various parts of the world.

A raw material used in the production of fuels, such as gasoline, diesel, and jet fuel, as well as in the manufacture of chemicals and plastics.

Petroleum is a crucial component in the production of many everyday products, including plastics and synthetic materials.

petroleumadjective

Relating to, derived from, or consisting of petroleum.

The company specializes in petroleum engineering services.