noun
Examples of petroleum in a Sentence
Petroleum and natural gas also occur in the plateau rocks in great quantities.
Petroleum was collected for use in the most remote ages of which we have any records.
Petroleum is the most widely used fossil fuel.
Some petroleum was obtained in the S.E.
Petroleum, also known as crude oil, is used for generating electricity and for manufacturing.
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.
Similarly there is a difference of opinion as to the conditions under which the organisms have been mineralized, some holding that the process has taken place at a high temperature and under great pressure; but the lack of practical evidence in nature in support of these views has led many to conclude that petroleum, like coal, has been formed at moderate temperatures, and under pressures varying with the depth of the containing rocks.
Petroleum is found in the vicinity.
In 1771 Thomas Jefferson described a " burning spring " in the Kanawha Valley, and when wells were drilled for salt brine near Charleston petroleum and natural gas were found here before there was any drilling for oil in Pennsylvania.
Deposits of copper, tin, iron and tungsten have been discovered, and a variety of other mineral products (graphite, mica, spodumene, coal, petroleum, &c.).
On the other hand, an overwhelming and increasing majority of those who have studied the natural conditions under which petroleum occurs are of opinion that it is of organic origin.
In most petroleum-producing countries, however, and particularly where the product is abundant, the crude oil is fractionally distilled, so as to separate it into petroleum spirit of various grades, burning oils, gas oils, lubricating oils, and (if the crude oil yields that product) paraffin.
Petroleum solvents are used to soften the wax into a spreadable paste, by preventing the individual molecules from bonding together.
Crude or unrefined petroleum needs a special air-spray pressure burner for its use, and this suffers from the disadvantage of being noisy.
In the cultivated parts the land is so exceedingly fertile and productive that it sells for almost fabulous prices, and its value is still further enhanced by the discovery of manganese and copper mines in the basin of the Rion, and of the almost inexhaustible supplies of naphtha and petroleum at Baku in the Apsheron peninsula.
Silliman, Jun., in 1855, who then reported upon the results which he had obtained with the " rock oil or petroleum " of Venango county, Pennsylvania.
This report has become a classic in the literature of petroleum.
The existing refineries were accordingly altered so as to adapt them for the refining of petroleum; but in the manufacture of burning oil from petroleum the small stills which had been in use in the distillation of shale-oil were at first employed.
The word " benzine " is sometimes used in commerce for the coal-tar product, but also for the light petroleum better known as petroleum-benzine; a similar ambiguity is presented by the word " benzoline," which is applied to the same substances as the word " benzine."
The high cost of coal, which has always been a hindrance to the development of manufactures, makes the petroleum deposits of peculiar value.
The hydrocarbon occurs in wood-tar and in petroleum, and is prepared commercially by fractional distillation of the light oil fraction of the coal-tar distillate (see Coal Tar).
The mineral hydrocarbons found in nature or obtained by destructive distillation do not come within the range of this article (see Naphtha, Paraffin, Petroleum), which is restricted to the following two large groups of bodies, formed naturally within the vegetable and animal organisms, viz.
Prior to the introduction of the spray we were using petroleum jelly as our method of preventing urine scald and tissue maceration.
Some use zinc formulations while others depend on petroleum byproducts.
Some oil-based lubricants include petroleum jelly and mineral oil.
Does not contain any petroleum, but it can be blended with petroleum diesel to create a biodiesel blend.
Can be used in a diesel engine with a blend of 20 percent biodiesel and 80 percent petroleum without any modification to the engine.
With the continual rising costs of petroleum products in the new century, major corporations and the United States government have looked to new markets.
Studies have shown that biodiesel from virgin vegetable oil reduces carbon dioxide emissions and petroleum consumption when used in place of petroleum diesel.
Petroleum is formed from the remains of biodegraded organic marine microorganisms.
Petroleum represents an estimated 40 percent of the world demand of energy.
Petroleum has a negative impact on the environment.
It is found in the deposits of petroleum and recovered during the drilling process.
Another reason that Styrofoam is harmful for the environment is that it is made with petroleum which is a non-sustainable resource.
Not only that, but petroleum is a heavily polluting resource.
Soy candles are natural, whereas paraffin is made from petroleum, which is an import for the United States.
By using corn as its base, PLA is manufactured with annually renewable resources rather than petroleum, which can take over a million years to form.
There are several sources for oil including shale, tar sands and the liquid petroleum that is refined into several types of fuel.
It uses a renewable source of energy unlike the finite resources of coal, natural gas, and petroleum products.
The new industry can help replace some of the destruction caused by traditional sources of energy, including coal and petroleum consumption.
Petroleum distillates are a good example.
Apply a light coat of lip balm or petroleum jelly to your lips and lightly tap the golden shadow across your pout.
One is the benefit to your physical health and the other is the benefit of a healthier environment with less dependence on petroleum products.
For those tired of worrying about animal testing and the use of petroleum in lotions and cosmetics, Full Circle has a number of options.
Synthetic ingredients commonly found in lotion, such as mineral oil and petroleum jelly, can be very drying to the skin of children and adults.
In fact, just by browsing the toy aisles at most any store, it's easy to see that a good majority of children's toys are made with some form of petroleum based plastics.
There are no petroleum products to harm your skin or body.
The scary thing is that these chemicals tend to be petroleum based and do not readily wash out of the fabric.
For acid, alkali, or petroleum product poisonings, the person should not vomit.
Acids and alkalis can burn the esophagus if they are vomited, and petroleum products can be inhaled into the lungs during vomiting, resulting in pneumonia.