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petroleum
(Encyclopedia)petroleum, oily, flammable liquid that occurs naturally in deposits, usually beneath the surface of the earth; it is also called crude oil. It consists principally of a mixture of hydrocarbons, with t...cracking of petroleum
(Encyclopedia)cracking of petroleum: see petroleum. ...National Petroleum Reserve
(Encyclopedia)National Petroleum Reserve, area, c.23 million acres (9.32 million hectares), Alaska North Slope, situated W of Prudhoe Bay and the Arctic National Wildlife Refuge. The reserve, which is the largest r...Nasby, Petroleum V.
(Encyclopedia)Nasby, Petroleum V., pseud. of David Ross Locke, 1833–88, American journalist and satirist, b. Vestal, N.Y. Locke was editor of the Findlay, Ohio, Jeffersonian when he first became prominent by publ...liquefied petroleum gas
(Encyclopedia)liquefied petroleum gas or LPG, mixture of gases, chiefly propane and butane, produced commercially from petroleum and stored under pressure to keep it in a liquid state. The boiling point of liquefie...Organization of Petroleum Exporting Countries
(Encyclopedia)Organization of Petroleum Exporting Countries (OPEC), multinational organization (est. 1960, formally constituted 1961) that coordinates petroleum policies and economic aid among oil-producing nations...petrolatum
(Encyclopedia)petrolatum pĕtrəlāˈtəm [key], colorless to yellowish-white hydrocarbon mixture obtained by fractional distillation of petroleum. In its jellylike semisolid form (known as petroleum jelly and also...naphtha
(Encyclopedia)naphtha năpˈthə, năfˈ– [key], term usually restricted to a class of colorless, volatile, flammable liquid hydrocarbon mixtures. Obtained as one of the more volatile fractions in the fractional ...Morgan City
(Encyclopedia)Morgan City, city (1990 pop. 14,531), St. Mary parish, S La., a fishing port on the Atchafalaya River (connected to the Intracoastal Waterway); inc. 1860 as Brasher, renamed 1876. The city is headquar...Findlay
(Encyclopedia)Findlay fĭnˈlē, fĭndˈlē [key], city (2020 pop. 40,313), seat of Hancock co., NW Ohio, on the ...Browse by Subject
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