petroleum

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petroleum

 [pĕ-tro´le-um]
a thick natural oil obtained from beneath the earth. It consists of a mixture of various hydrocarbons of the paraffin and olefin series.

pe·tro·le·um

(pĕ-trō'lē-ŭm),
A mixture of liquid hydrocarbons found in the earth in various parts of the world and believed to be derived from fossilized animal and plant remains; the source of petrolatum, in addition to its use for lighting and heating purposes.
Synonym(s): coal oil, rock oil
[L. petra, rock, + oleum, oil]

petroleum

/pe·tro·le·um/ (pĕ-tro´le-um) a thick natural mixture of gaseous, liquid, and solid hydrocarbons obtained from beneath the surface of the earth.
petroleum benzin  a colorless, volatile, flammable fraction from petroleum distillation, containing largely hydrocarbons of the methane series; it has been variously described as a special grade of ligroin or as a separate but similar fraction with a lower boiling range. It is used chiefly as an extractive solvent.

pe·tro·le·um

(pĕ-trō'lē-ŭm)
A mixture of liquid hydrocarbons found in the earth in various parts of the world believed to be derived from fossilized animal and plant remains.
[L. petra, rock, + oleum, oil]

petroleum

a thick natural oil obtained from beneath the earth. It consists of a mixture of various hydrocarbons of the paraffin and olefin series. See crude petroleum oil.

petroleum jelly
petrolatum.
References in periodicals archive ?
Nippon Mitsubishi Petroleum Refining will issue 10 million new shares to be exchanged with shares in Koa Oil and Tohoku Oil.
Aruvian Research's report - Profiling the US Petroleum Refining Industry - analyzes the US petroleum refining industry starting from the basics.
A look at the refined petroleum products' industry along with a view on the various processes involved during the entire petroleum refining process, such as distillation, alkylation, hydroprocessing, etc.
NYSE: DK), a diversified energy company with assets in the petroleum refining, marketing and retail industries, today announced that the Company will appear before the Canadian House of Commons Standing Committee on Industry, Science & Technology on Tuesday, July 20, 2010.
com/research/c166c5/profiling_the_us_p) has announced the addition of the "Profiling the US Petroleum Refining Industry" company profile to their offering.
Petroleum refining has evolved continuously in response to changing consumer demand for better and different products.
This is expected to create a demand for refined reformulated and less-polluting gasolines, and encourage refineries to invest resources into renovating their petroleum refining catalysis processes to adhere to the regulatory standards.

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