(n.) Rock oil, mineral oil, or natural oil, a dark brown or greenish inflammable liquid, which, at certain points, exists in the upper strata of the earth, from whence it is pumped, or forced by pressure of the gas attending it. It consists of a complex mixture of various hydrocarbons, largely of the methane series, but may vary much in appearance, composition, and properties. It is refined by distillation, and the products include kerosene, benzine, gasoline, paraffin, etc.
Example Sentences:
(1) This paper reviews the epidemiologic studies of petroleum workers published in the English language, focusing on research pertaining to the petroleum industry, rather than the broader petrochemical industry.
(2) Case mothers were more likely to report occupational exposure to metals (odds ratio [OR] = 8.0, P = 0.01), petroleum products (OR = 3.7, P = 0.03), and paints or pigments (OR = 3.7, P = 0.05).
(3) Therefore, the presence on a refinery site of a carcinogen other than petroleum has not been ruled out, and further study is urged.
(4) Onerous new regulations could threaten the shale energy revolution, America’s role as a global energy superpower, and the dramatic reductions in CO2 emissions made possible by an abundant and affordable domestic supply of clean-burning natural gas,” Jack Gerrard, president of the American Petroleum Institute, said in a statement.
(5) In forest, removal of olfactory substances from the human skin, by vigorous washing and application of petroleum jelly, or by wearing impermeable clothing, greatly reduced the numbers of flies attracted.
(6) Likewise, greater occupational exposure to chemicals (paint, petroleum products, and unspecified chemicals) during pregnancy was found for mothers of patients (RR = 2.4, 95% CI = 1.2-4.6).
(7) Experimental controlled ecosystems have provided essential information about the fate of petroleum at sea.
(8) A proprietary insecticidal mulesing powder containing diazinon and an experimental liquid dressing based on eucalyptus oil, naphthalene, cresylic acid and chlorfenvinphos in a carrier of liquid hydrocarbons and petroleum oil were compared for their ability to promote wound healing and reduce the incidence of fly strike in freshly mulesed lambs.
(9) Extraction with petroleum ether-chloroform-phenol yielded a protein fraction free of detectable lipopolysaccharide, in which group 3 OMPs (28,500 apparent molecular weight [28.5K], 27.0K, and 25.5K) represented 81% of the total.
(10) Interestingly, however, various fractions--especially those extracted by organic solvents such as petroleum ether, hexane, and chloroform, as well as some purified compounds from these plants--could strongly inhibit the mutagenicity of aflatoxin B1 (AFB1), an indirect mutagen, when tested in the presence of S-9 mix but not that of 2-(2-furyl)-3-(5-nitro-2-furyl)acrylamide (AF-2), which does not require metabolic activation for its mutagenicity.
(11) BP would need to bring equipment from Texas to contain South Australia oil spill Read more BP plans to drill the first of four exploratory wells off the South Australian coast next year and submitted an environmental plan (pdf) for approval to the National Offshore Petroleum Safety and Environmental Management Authority last week.
(12) The nature of organic substance appearing in the petroleum stratum is discussed.
(13) In this chapter the authors examine the toxicologic and epidemiologic literature for a broad range of petroleum-derived products in order to assess the carcinogenic potential of these compounds.
(14) Unlike aspiration pneumonitis, which follows petroleum distillate ingestion, chemical pneumonitis from pine oil cleaner may occur from gastrointestinal absorption of pine oil and deposition in lung tissue.
(15) Mutagenicity, polynuclear aromatic compound content, and skin carcinogenicity were compared for a series of complex oil mixtures derived from the refining and processing of petroleum.
(16) Serum samples were extracted with petroleum ether following precipitation of proteins with ethanol.
(17) BP credit rating downgraded after Tony Hayward's grilling by Congress 19 June One of BP's partners, Anadarko Petroleum, refuses to accept any responsibility for the Deepwater Horizon explosion despite owning a quarter of the well.
(18) In the past, the Saudis have encouraged Opec (Organisation of the Petroleum Exporting Countries) to reduce its output targets during periods of low oil prices.
(19) We report the case of a child who sustained partial thickness burns from a garlic-petroleum jelly plaster, which had been applied at the direction of a naturopathic physician.
(20) The extraction of carotenes with petroleum ether under the same conditions does not change the electrophoretic mobility of the chlorophyll-protein complexes.
Seep
Definition:
(v. i.) Alt. of Sipe
Example Sentences:
(1) These results indicate the presence of ANP in canine CSF and that it does not come from blood that has seeped across the blood-CSF barriers but may originate in the brain.
(2) The media are more pervasive, seeping everywhere into the vacuum left by the shrinking of the old powers.
(3) It has been estimated that natural oil seeps may also contribute as much as 10% of the hydrocarbons in the global marine environment.
(4) The unusually long period of time that the tooth survived might be attributed to a different approach to the replantation technique, such as occlusion adjustment prior to replantation, preoperative reduction of oral cavity bacteria and of the harmful aerosols commonly found in the dental operatory, placement of a noneugenol periodontal packing under the acrylic splint to prevent residual liquid monomer from seeping into the periodontal space, use of the patient's own blood and no other material to moisten the root while it was out of the socket, a short extraoral period, loose splinting, complete isolation of the operative site in the oral cavity, and completion of periodontal therapy before intentional replantation.
(5) For these palmiers, however, – full of chocolate and honey – I've found the rolling method is best for keeping the filling contained in the swirls of dough and stopping it from seeping across the baking tray.
(6) Today's news shows the poison of bad credit continues to seep through the veins of the world's financial markets.
(7) Over the following days, every drop of the 119,328 tonnes of crude oil borne by this 300m-long supertanker seeped into the Atlantic.
(8) Porous rocks under the Martian surface might hold frozen water that melts in the summer months and seeps up to the surface.
(9) Shorten said he hoped debate would shift from the “toxic, malignant, poison of Hansonism that seeps to surface of our politics”.
(10) Noble gases are one of four things the organisation looks out for in its nuclear monitoring process, because the gases can be released by either slowly seeping through rock and sediment from underground to the surface after a nuclear test or come from activity at a test site.
(11) Even as the radiation levels above ground stabilise, the legacy for Tomioka and Fukushima Prefecture in general will be a long one, as caesium seeps deeper into the ground on its slow journey to the groundwater.
(12) But the arts are of importance to all voters, and seep into areas well beyond the confines of the Department for Culture .
(13) By the 13th fetal day cerebrospinal fluid begins to seep into and replace it.
(14) Somehow the story seeped into our bones, expressed in our best-loved sitcoms – with their tales of frustrated men, from Captain Mainwaring to David Brent, made ridiculous by delusions of grandeur – and by a brand of newspaper whose unspoken daily message is that the country is going to the dogs.
(15) The organism was recovered from the clay layer of the soil profile as well as from water that seeps into this layer during the "wet" season.
(16) Oil is spreading across the creeks and mangrove forests and seeping deeper into the water table.
(17) If bleeding persists in spite of ligation, this does not mean that the wrong vessel has been tied off but that arterial anastomoses are allowing blood to seep from the ethmoidal to the sphenopalatine area of the nose.
(18) She said: "Under the carapace of glittering, hedonistic celebrity, the ooze of a very different and more dangerous lifestyle has seeped out for all to see."
(19) Lahm was 12 years old when he joined the Bundesliga’s record title winners and it would not be an exaggeration to say that the club’s you-have-to-win-everything attitude to the game has seeped deep into Lahm’s psyche.
(20) Brendan didn’t obsess about telling us about opponents constantly, but through working on certain exercises the message seeped into our minds.