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.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

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]
Farlex Partner Medical Dictionary © Farlex 2012

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]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
Many authors have analyzed the relationships between prices for crude petroleum, wholesale gasoline, and retail gasoline.
Under a Local Tariff, the company will receive shipper commitments for light crude petroleum transportation service from the Buckingham receipt point in Weld County, Colorado ,on the Northeast Colorado Lateral of Pony Express to delivery points at Ponca City and Cushing, Oklahoma.
- Extraction of Crude Petroleum and Natural Gas in China: Industrial Report
The proposed project would include construction of crude petroleum pipelines from gathering locations in the Niobrara Shale near Platteville and Watkins, CO to a tie-in point on NuStar's existing 10-inch McKee, TX to Denver petroleum products pipeline.
The company produced 12.15 million metric tons of crude petroleum last month, an increase of 7.4 percent over the year-ago period.
Refineries could trim millions of dollars in energy costs annually by using a new method that rearranges the distillation sequence needed to separate crude petroleum into various products.
Peru, whose main exports include copper, gold, zinc, crude petroleum, is aiming to have free trade deals that cover 90percent of its trade by mid 2011, the foreign minister said.
Indeed, the range of topics analysed is tremendous: populations, births, voter turnouts, emigration, incoming and outgoing tourists, aeroplane travel, roads, rainfall, forest growth and loss, coal power, primary exports, decline in terms of trade, fruit exports, cereal imports, ore imports, crude petroleum imports, computer exports, car imports, royalty fees, wealth (in four different years), projected wealth in 2015, earnings, incomes, growth and decline in wealth, slums, male youth unemployed, telephone lines, mobile telephones, books published and borrowed, polio cases, infant mortality, life expectancy, military spending and on and on.
Al Khorayef Petroleum Co., a subsidiary of Al Khoraif Group has signed a contract for supply of 4 underwater electric-powered pumping systems capable of pumping 70,000 barrels of crude petroleum per day.
Following a general overview, coverage includes instrumentation associated with atomic spectroscopy; quantitative metal analysis of organic matrices; analysis of plastics, fibers, and textiles for metals content; metal analysis of virgin and crude petroleum products; metal analysis of structural adhesives; and hyphenated and miscellaneous techniques used with ICP-OES.
With the assistance of NIEHS academic partners at Duke University and the University of California, San Diego, supercomputing center, the interactive maps pinpoint the location of Superfund sites (four in New Orleans alone), scores of Toxics Release Inventory-reporting sites (those that release toxic contaminants), and the hundreds of oil and gas rigs, gas stations, chemical industries, refineries, and crude petroleum and natural gas operations in the Gulf Coast region.
The agency said that price increases for crude petroleum and petroleum products contributed 1.6 percentage points, and increased prices for basic metals 0.3 percentage points to the overall February increase of import prices.