Origin of petroleumMedieval Latin from Classical Latin petra, rock ( from Gr) + oleum, oil
Drilling for petroleum underground.
Petroleum is an oily mixture of hydrocarbons that can be extracted from layers of rock and used to produce fuel.
The hydrocarbons in rock strata that are used to produce the gas in your car are an example of petroleum.
an oily, flammable, liquid solution of hydrocarbons, yellowish-green to black in color, occurring naturally in the rock strata of certain geological formations: when fractionally distilled, it yields paraffin, fuel oil, kerosene, gasoline, etc.
A thick, flammable, yellow-to-black mixture of gaseous, liquid, and solid hydrocarbons that occurs naturally beneath the earth's surface, can be separated into fractions including natural gas, gasoline, naphtha, kerosene, fuel and lubricating oils, paraffin wax, and asphalt and is used as raw material for a wide variety of derivative products.
Origin of petroleumMiddle English from Medieval Latin petrōleum Latin petra rock ; see petrous . Latin ōleum oil ; see oil .
(plural petroleums or petrolea)
- A flammable liquid ranging in color from clear to very dark brown and black, consisting mainly of hydrocarbons, occurring naturally in deposits under the Earth's surface.
- Petroleum and natural gas also occur in the plateau rocks in great quantities.
- - The state's great mineral wealth is in coals of various kinds, petroleum, and natural gas.
- Petroleum was collected for use in the most remote ages of which we have any records.
- The earliest mention 'of American petroleum occurs in Sir Walter Raleigh's account of the Trinidad pitch-lake in 1595; whilst thirty-seven years later, the account of a visit of a Franciscan, Joseph de la Roche d'Allion, to the oil springs of New York was published in Sagard's Histoire du Canada.
- Deposits of copper, tin, iron and tungsten have been discovered, and a variety of other mineral products (graphite, mica, spodumene, coal, petroleum, &c.).