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oil

Any of various viscous liquids that are generally immiscible with water. Natural plant and animal oils are either volatile mixtures of terpenes and simple esters (e.g. essential oils) or ...

oil

oil   Quick reference

The Oxford Dictionary of Idioms (4 ed.)

Reference type:
Subject Reference
Current Version:
2020
Subject:
Language reference
Length:
84 words

... oil banana oil : see banana . burn the midnight oil : see burn . good oil : see good . oil someone’s palm : ...

Oil

Oil   Reference library

Brewer's Dictionary of Phrase & Fable (19 ed.)

Reference type:
Subject Reference
Current Version:
2013

... Oil someone’s hand or palm, To To bribe someone. Oil the wheels, To To help make things run smoothly. Burn the midnight oil, To See under burn . Fixed oil See under fix . He’s no oil painting He is not good-looking. Many painted portraits aim to enhance the appearance of the sitter, although there have been exceptions. See also warts and all . Pour oil on troubled waters, To See under pour . Strike oil, To See under strike . Walpurgis oil See under walpurgis . Well-oiled See under well 2...

oil

oil n.   Reference library

The Oxford Essential Dictionary of the U.S. Military

Reference type:
Subject Reference
Current Version:
2002

... n. 1 a viscous liquid derived from petroleum, especially for use as a fuel or lubricant. 2 petroleum. v. 1 lubricate or coat (something) with oil. 2 supply with oil as fuel: do not oil individual tanks too rapidly. oilless ...

oil

oil   Quick reference

A Dictionary of Environment and Conservation (3 ed.)

Reference type:
Subject Reference
Current Version:
2017

...amount of recoverable oil, especially in the USA, and 2016 projections indicated that the world had sufficient oil to last for more than a century and that prices were likely to remain low. Exploitation and use of oil resources has a number of environmental impacts , including oil pollution . Burning of petroleum is a major cause of air pollution , and the transport of oil (particularly at sea in large oil tankers ) has caused some major environmental disasters, including oil spills...

oil

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Oxford Dictionary of Word Origins (3 ed.)

Reference type:
Subject Reference
Current Version:
2021
Subject:
Language reference, History of English
Length:
158 words

...oil [ME] The English word oil goes back to Latin oleum , which referred especially to olive oil. If someone sits up writing or reading until very late they are burning the midnight oil [M17th], an expression looking back to the days when the main source of artificial light would be an oil lamp. Oil paints are traditionally used for portraits, and since the early 20th century the unkind verdict that someone is no oil painting [E20] has been a way of saying that they are not attractive. In classical times, there was a belief among seamen—recorded by the...

oil

oil   Quick reference

A Dictionary of the Bible (2 ed.)

Reference type:
Subject Reference
Current Version:
2010
Subject:
Religion
Length:
35 words

... Olive oil was important in Israelite economy (Num. 18: 12), used for light (Exod. 27: 20), cooking (Ezek. 16: 13), and healing (Mark 6: 13), and as hair conditioner (Ps. 23: 5). See anointing...

Oil

Oil   Reference library

Alexander Kazhdan and Alice-Mary Talbot

The Oxford Dictionary of Byzantium

Reference type:
Subject Reference
Current Version:
2005
Subject:
History, Early history (500 CE to 1500)
Length:
311 words

... (ἔλαιον), usually made from olives , was one of the most important ingredients of the diet ; vegetables were eaten with oil or cooked in oil: thus, Symeon Seth speaks of lentils cooked with oil, garum (a fermented fish sauce), and salt (115.16–17), and of truffles cooked in oil with pepper and garum (109.7–8). Strict ascetics are said to have abstained from oil; normally oil was avoided on fastdays or as penance (Theodore of Stoudios in PG 99:1724C). In addition to its use in food preparation, oil was employed in the concoction of medicines and ointments...

OIL

OIL   Reference library

The Oxford Dictionary of the Jewish Religion (2 ed.)

Reference type:
Subject Reference
Current Version:
2011
Subject:
Religion
Length:
192 words

... , together with grain and wine, is one of the three blessings bestowed by God on Erets Yisra’el ( Dt . 11.14). In the Tabernacle and Temple only “pure olive oil beaten for the light to cause the lamp [ see Candles ; Menorah ] to burn always” ( Ex . 27.20) was permitted for use; among eastern Jews this is still the only oil permitted for the eternal lamp in the synagogue. Rabbi Tarfon similarly declared that only olive oil could be used for the Sabbath lamps ( Shab . 26a), but the accepted ruling is that generally any oil may be used ( Shab . 2). Oil was...

oil

oil   Quick reference

World Encyclopedia

Reference type:
Subject Reference
Current Version:
2004
Subject:
Encyclopedias
Length:
105 words

... General term to describe a variety of substances whose chief shared properties are viscosity at ordinary temperatures, a density less than that of water, inflammability, insolubility in water, and solubility in ether and alcohol. Mineral oils, most notably crude oil or petroleum oil, are used as fuels. Animal and vegetable oils (fatty oils or fats ) are used as food, lubricants and as a major ingredient of soap. In addition, there are essential oils from plants that, unlike fatty oils, are volatile. Fatty oils can be classified into two groups:...

oil

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A Dictionary of Mechanical Engineering (2 ed.)

Reference type:
Subject Reference
Current Version:
2019

...oil A liquid , used as a fuel , coolant , or lubricant , derived from petroleum , coal, biomass , rape seed, etc. Synthetic silicone oils are now widely used as lubricants. See also cutting fluid...

Oil!

Oil!   Reference library

The Oxford Companion to American Literature (6 ed.)

Reference type:
Subject Reference
Current Version:
2004
Subject:
Literature
Length:
101 words

...! , novel by Upton Sinclair , published in 1927 . Based on the oil scandals of the Harding administration, especially the Teapot Dome affair, the narrative tells of the struggles of “Bunny” Ross and his father, a good-natured independent oil operator, against the encroachments of monopoly. Involved in the detailed account of business transactions are the thinly disguised characters of senators, oil magnates, and other public figures. Bunny's experiences lead him to realize that the bribery of public officials, the oppression of workers, and international...

oil

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A Dictionary of Public Health (2 ed.)

Reference type:
Subject Reference
Current Version:
2018

...oil 1. Petroleum oil is a viscous liquid hydrocarbon that has been the principal carbon-based fuel used worldwide for more than 100 years. It occurs in deposits in many parts of the world and is transported in pipelines and shipped in bulk tankers from the sites of deposits to refineries and markets in other countries. Petroleum oil and its many refined derivatives contain diverse toxic substances, but the benefits of an efficient, albeit polluting, fuel and its by-products are regarded in the 20th - and 21st-century petroleum-based industrial economies...

oil

oil   Quick reference

A Dictionary of Biology (8 ed.)

Reference type:
Subject Reference
Current Version:
2019
Subject:
Science and technology, Life Sciences
Length:
38 words

...oil Any of various viscous liquids that are generally immiscible with water. Natural plant and animal oils are either volatile mixtures of terpenes and simple esters (e.g. essential oils ) or are glycerides of fatty...

Oil

Oil   Reference library

The New Oxford Companion to Economics in India (3 ed.)

Reference type:
Subject Reference
Current Version:
2012
Subject:
Social sciences, Economics, Regional and Area Studies
Length:
1,201 words
Illustration(s):
2

... India’s share of 3,882 million tonnes in the world oil consumption during 2009 was about 5 per cent, while its share in the 182 billion tonnes global oil reserves of proved quality was just about 0.43 per cent. During 2009–10 , with domestic production of about 34 million tonnes, India could meet only about 18 per cent of its annual consumption of crude oil ( Table 1 ). Even with India’s per capita oil consumption at 113 kg in comparison to 302 kg in China and 2,732 kg in the United States during 2009 , cost of oil imports constituted about 50 per cent...

oil

oil ((crude))   Quick reference

A Dictionary of Energy Science

Reference type:
Subject Reference
Current Version:
2017

...oil (crude) A hydrocarbon-rich liquid formed from the remains of microorganisms. These remains settled on the seabed forming a dense sludge, which became covered by layers of sand and mud that were transformed into sedimentary rock over millions of years. Burial to a few kilometres’ depth accompanied by heating to 100–150 ° C converted the sludge into oil. Oil is refined into petrol ( US gasoline), diesel, and several other derivatives, and is used in the manufacture of plastics, fertilizers, and many other products. Only a comparatively small fraction is...

oil

oil   Quick reference

A Dictionary of Chemistry (8 ed.)

Reference type:
Subject Reference
Current Version:
2020
Subject:
Science and technology, Chemistry
Length:
48 words

... Any of various viscous liquids that are generally immiscible with water. Natural plant and animal oils are either volatile mixtures of terpenes and simple esters (e.g. essential oils ) or are glycerides of fatty acids. Mineral oils are mixtures of hydrocarbons (e.g. petroleum...

oil

oil   Reference library

Oxford Dictionary of Biochemistry and Molecular Biology (2 ed.)

Reference type:
Subject Reference
Current Version:
2008
Subject:
Science and technology, Life Sciences
Length:
71 words

... any neutral, flammable substance that is liquid at room temperature and is characteristically soluble in relatively nonpolar solvents but only sparingly soluble in aqueous solvents. There are three main groups: (1) animal and vegetable oils, which usually consist predominantly of triacylglycerols but may contain varying amounts of fatty‐acid esters of other alcohols; (2) mineral oils, derived from petroleum, coal, shale, etc., which consist predominantly of hydrocarbons; and (3) essential oils...

oil

oil   Quick reference

A Dictionary of Chemical Engineering

Reference type:
Subject Reference
Current Version:
2014

...oil One of various liquid, viscid, unctuous, usually inflammable, chemically neutral substances that is lighter than and insoluble in water, but soluble in alcohol and ether and classified as non-volatile. Natural plant oils comprise terpenes and simple esters such as essential oils. Animal oils are glycerides of fatty acids. Mineral oils are mixtures of hydrocarbons. Oils have many uses and include fuels, lubricants, soap constituents, varnishes, etc., and are used as the feedstock for the production of many other products. ...

Oil

Oil   Reference library

David S. PAINTER

Berkshire Encyclopedia of World History (2 ed.)

Reference type:
Subject Reference
Current Version:
2016
Subject:
History
Length:
1,740 words

...two-thirds of known world oil reserves. Created in 1960 , the Organization of the Petroleum Exporting Countries ( OPEC ) is a cartel of oil producing nations that has considerable influence in determining the rate of oil production and with it the price of oil. OPEC countries account for around two-thirds of the world’s known oil reserves and around one-third of world oil production. In the first half of the twentieth century, the United States, blessed with a thriving domestic oil industry and firmly entrenched in the oil-rich region of the Gulf of...

oil

oil   Quick reference

A Dictionary of Food and Nutrition (4 ed.)

Reference type:
Subject Reference
Current Version:
2014

... Triacylglycerols that have a low melting point and are liquid at room temperature. See also fat...

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