- n. Plural form of petroleum.
“Each lipstick has no mineral oils or petroleums and boasts only botanical ingredients.”
“They reach many important trade agreement, including an "Oil for Porno" program in which Kazakhstan will provide U.S. and A. eight billion gallon of petroleums per year for equivalent number video cassettes of hard-core.”
“The method was carried out as above with four samples of American petroleums, Colorado oil from Florence,”
“Zaloziecki found, according to this method, in three samples of Galician petroleums, 4.6, 5.8 and 6.5 per cent., respectively, of proto-paraffine.”
“Dr. Engler, in confirmation of the theory of the animal origin of some petroleums, obtained what might be described as petroleum (for it contained almost all the hydrocarbons present in the natural mineral oil) by distilling animal fats and oils under pressure.”
“Nearly the same hydrocarbons, and others constituting a mixture approximating in composition to some natural petroleums, are produced when acetylene is passed over heated nickel (or certain other metals) obtained by the reduction of the finely divided oxide.”
“There is an extensive bituminous limestone formation in Persia, containing 20 per cent. of bitumen, and the theory elaborated in the paper would account for bitumen and oil having been found in Canada and Tennessee embedded in limestone, which fact is cited by Mr. Peckham as favoring his belief that some petroleums are a "product of the decomposition of animal remains.”
“At present little is known as to how far many of the very cheap distillates and crude petroleums can be used as fuel for internal-combustion engines.”
“Investigations into the character of the various petroleums found throughout the United States, with a view to determining their calorific value, chemical composition, and the various methods whereby they may be made most economically available for more efficient use as power producers, through the various methods of combustion;”
“The various liquid hydro-carbon fuels used in internal-combustion engines for producing power, range from the light refined oils, such as naphtha, to the crude petroleums, and have a correspondingly wide variation of physical and chemical properties.”
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