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Longman Dictionary of Contemporary English
a rough/crude approximation (=one that is not very exact)
▪ Could you give us a rough approximation of the cost?
crude oil (=oil in its natural state)
▪ the price of crude oil
▪ Not that Luke Hunter would ever descend to anything as crude as rape.
▪ The machines are still unable to plan; their routines for evaluating moves are as crude as ever.
▪ She thought the zest of her replies probably struck him as crude.
▪ On the whole, therefore, a rather crude kind of draughtsmanship is implied.
▪ One rather crude way of looking at this is as follows.
▪ Even at best this is a rather crude approximation.
▪ There are numerous hidden snags to this rather crude formula, but the basic idea is sound.
▪ A drawback of these studies is that the variable defining parental education is rather crude.
▪ My example also incorporates another method of concealment, a rather cruder one.
▪ Not all lace was quite so decorative; that provided by Dottridge Brothers in 1922 was really rather crude.
▪ Others, however, suggested that it was already capable of manufacturing a small and relatively crude nuclear weapon.
▪ Where relatively crude barbarians had once been ruled by a highly civilized people, the tables were now turned.
▪ It is a relatively crude way of allocating such expenditure. 10.
▪ At the dawn of the industrial revolution, birth control technology was still relatively crude.
▪ As we have seen, the first replicators probably were relatively crude, low-fidelity contraptions in comparison.
▪ This suggests that it is sensible to explore aspects of subjective risk in the controlled environment of even this relatively crude simulator.
▪ As earthbound concrete replaced shimmering glass, so crude functionalism was to supplant soaring aspiration.
▪ He'd been stupid enough not to expect anything so crude, or so relentless.
▪ It seemed so unlike him. So crude.
▪ Oh, they won't go for anything so crude as physical torture.
▪ But most of the philosophers who have written about and explored the nature of being have not been so crude.
▪ Even on the issue of biblical interpretation, the concept of a total separation would be too crude.
▪ For some purposes, this is too crude.
▪ However, such a basic comparison is too crude to be meaningful.
▪ They were also too crude to cope with the complexity of contemporary life in Britain.
▪ Almost a brunch coat but that's too crude a description.
▪ But there is something very crude and simple about death itself.
▪ Yet that is a very crude test of function.
▪ Unfortunately the results of some very crude cold-blown bottle tests were disastrous.
▪ This method is very crude and subjective.
▪ They'd done it in Gaelic to cover up the vulgarity. Very crude people.
▪ Life is very crude, and bonnie Princes Street a dream, but we soldier on with a good grace.
▪ Their stone points are very crude and we can cut their nets easily.
▪ The system for communicating with the computer seems very crude by today's standards.
▪ Although it is sometimes simulated by looking through a peephole, this gives only a crude approximation of the condition.
▪ Even at best this is a rather crude approximation.
▪ In a crude form it was also useful in the treatment of sewage.
▪ It was as if the men, unwittingly, had stumbled upon a crude form of worker control.
▪ Hahnemann found that many substances which were inactive in the crude form became active therapeutic agents when treated in this way.
▪ But in pressing Dicey's theory into the service of a tradition his thought was transposed into a crude form.
▪ The appeals procedure was streamlined, court practice was refined, and the crudest forms of punishment were abolished.
▪ Yet the Basle requirements were at best a crude measure of credit exposure-albeit one that is easy to apply.
▪ Nor were differences found when crude measures of social functioning was examined.
▪ Looking at the time lag between the filing of a claim and final disposition is in any event a crude measure.
▪ Simple percapita assessments, such as the number of schoolchildren, give a very crude measure of need.
▪ In 1982 crude oil accounted for more than half the total cost of imports.
▪ The port closings halted crude oil exports from state-owned oil company Petroleos Mexicanos during the weekend and on Monday.
▪ Both sets of figures have been driven by the price of crude oil.
▪ Projected demand for crude oil 5.
▪ Industrial factories, he said, also discharge toxic waste and crude oil into the sea.
▪ Average crude oil prices were $ 16. 67 per barrel, up $ 1. 56 from a year ago.
▪ February crude oil rose 66 cents to $ 19. 18 a barrel on the New York Mercantile Exchange.
Oil companies fell in response to weaker crude oil and natural gas prices.
▪ It was the rise in world crude prices which brought energy conservation seriously into view.
▪ Oils continued their rise in the wake of the firm crude price.
▪ Concern about slowing demand for petrol and a recent fall in crude prices has pushed Opec towards tough action on supply.
crude rubber
▪ a crude homemade bomb
▪ a crude map of the area
▪ Babbage's great calculating machine was a crude form of computer.
▪ Rudy was loud-mouthed and crude.
▪ She was worried that her husband's crude remarks might have upset some of the guests.
▪ The comedian wasn't funny at all; he was just crude and offensive.
▪ The earliest skis were crude, consisting of short boards covered in fur skins.
▪ The men started gathering wood to construct a crude shelter.
▪ The number of help-wanted advertisements can be used as a crude measure of the strength of the job market.
▪ As earthbound concrete replaced shimmering glass, so crude functionalism was to supplant soaring aspiration.
▪ But this is a crude indicator, at best, for how business behaves.
▪ Diesel comes from crude oil, and it is less refined than gasoline.
▪ Ice is a mineral; crude oil is not.
▪ It is apparently done in quite a crude fashion, using a look-up table.
▪ Millions of gallons of crude oil spilled into the sea, causing widespread shore damage as well.
▪ Pools of crude oil stretch in every direction.
▪ The interiors of these stores had crude floors, bare ceilings, glaring lights, gaudy signs, and merchandise piled everywhere.
▪ About 700,000 gallons of crude oil spilled into Galveston Bay.
The Collaborative International Dictionary

Crude \Crude\ (kr[udd]d), a. [Compar. Cruder (-[~e]r); superl. Crudest.] [L. crudus raw; akin to cruor blood (which flows from a wound). See Raw, and cf. Cruel.]

  1. In its natural state; not cooked or prepared by fire or heat; undressed; not altered, refined, or prepared for use by any artificial process; raw; as, crude flesh. ``Common crude salt.''

    Molding to its will each successive deposit of the crude materials.
    --I. Taylor.

  2. Unripe; not mature or perfect; immature.

    I come to pluck your berries harsh and crude.

  3. Not reduced to order or form; unfinished; not arranged or prepared; ill-considered; immature. ``Crude projects.''

    Crude, undigested masses of suggestion, furnishing rather raw materials for composition.
    --De Quincey.

    The originals of Nature in their crude Conception.

  4. Undigested; unconcocted; not brought into a form to give nourishment. ``Crude and inconcoct.''

  5. Having, or displaying, superficial and undigested knowledge; without culture or profundity; as, a crude reasoner.

  6. (Paint.) Harsh and offensive, as a color; tawdry or in bad taste, as a combination of colors, or any design or work of art.

Douglas Harper's Etymology Dictionary

late 14c., "in a raw state," from Latin crudus "rough; not cooked, raw, bloody," from PIE *krue-do-, from PIE *kreue- (1) "raw flesh" (see raw). Meaning "lacking grace" is first attested 1640s. Related: Crudely; crudeness. Crude oil is from 1865.


a. 1 Being in a natural state. 2 Characterized by simplicity, especially something not carefully or expertly made. 3 Lacking concealing elements. 4 Lacking tact or taste. 5 (context statistics English) Being in an unanalyzed form. 6 (context archaic English) immature or unripe. 7 (lb en grammar) pertaining to the uninflected stem of a word n. 1 Any substance in its natural state. 2 crude oil.

  1. adj. not carefully or expertly made; "managed to make a crude splint"; "a crude cabin of logs with bark still on them"; "rough carpentry" [syn: rough]

  2. conspicuously and tastelessly indecent; "coarse language"; "a crude joke"; "crude behavior"; "an earthy sense of humor"; "a revoltingly gross expletive"; "a vulgar gesture"; "full of language so vulgar it should have been edited" [syn: coarse, earthy, gross, vulgar]

  3. not refined or processed; "unrefined ore"; "crude oil" [syn: unrefined, unprocessed] [ant: refined]

  4. belonging to an early stage of technical development; characterized by simplicity and (often) crudeness; "the crude weapons and rude agricultural implements of early man"; "primitive movies of the 1890s"; "primitive living conditions in the Appalachian mountains" [syn: primitive, rude]

  5. devoid of any qualifications or disguise or adornment; "the blunt truth"; "the crude facts"; "facing the stark reality of the deadline" [syn: blunt, crude(a), stark(a)]

  6. not processed or subjected to analysis; "raw data"; "the raw cost of production"; "only the crude vital statistics" [syn: raw]


n. a dark oil consisting mainly of hydrocarbons [syn: petroleum, crude oil, rock oil, fossil oil]


Crude can refer to:

  • Petroleum in its unprocessed form ("crude oil"), including:
    • Brent crude oil
    • Heavy crude oil
    • Light crude oil
    • Sweet crude oil
      • Pennsylvania Grade Crude Oil, a type of sweet crude
    • Synthetic crude oil

Documentary films:

  • Crude (2007 film), an Australian documentary about the geology and economics of crude oil
  • Crude (2009 film), an American documentary about oil companies and lawsuits in Ecuador


  • Dubai Crude, an oil price benchmark
  • Off-color humor ("crude" humor)
  • Incivility ("crude" behavior)
  • In statistics, crude denotes values before adjustment for confounding variables
Crude (album)

Crude is the first studio album from Shetland based band Bongshang.

Crude (2009 film)

Crude is a 2009 American documentary film directed and produced by Joe Berlinger. It follows a two-year portion of an ongoing class action lawsuit against the Chevron Corporation in Ecuador.

Crude (2007 film)

Crude (2007) is a 90-minute long feature documentary made by Australian filmmaker Richard Smith attempting to explain the links between formation, extraction and refining as well the link between geology and economy. The film features interviews with oil industry professionals and geologists about the future of oil production and exploration. The interviewed include Dr. Jeremy Leggett, a geologist formerly working with oil exploration for BP and Shell; Dr. Colin Campbell, a retired British petroleum geologist who predicted that oil production would peak by 2007; Lord Ronald Oxburgh, former chairman of Shell; Professor Wallace S. Broecker at Columbia University; and journalist Sonia Shah.

From the ABC's website:

The film won the Best Earth Sciences Program award at the 2007 Jackson Hole Wildlife Film Festival, and director Richard Smith received the American Geophysical Union's " Walter Sullivan Award for Excellence in Science Journalism" in 2008 for this film.

Usage examples of "crude".

The ubiquitous geocomputing network there was crude compared to the varied services on Earth, but it did the job, and did it without inserting animated advertorials, which was a blessing.

Our cooks employ it with vinegar for making the mint sauce which we eat with roast lamb, because of its condimentary virtues as a spice to the immature meat, whilst the acetic acid of the vinegar serves to help dissolve the crude albuminous fibre.

What little currency Alec had seen were crude lozenges of copper or silver, distinguished only by weight and a few crude symbols struck in.

I told you: some crude flavorings, an alcohol vehicle, and an alkaloid from an Indian grass.

Harben lowered his crude alpenstock over the edge of the rock fragment.

In a storm, when the air pressure sank, you had to offset that drop against the altimetric reading, and very often it was a crude rule-of-thumb calculation.

It was all crude and amateurish to begin with, but I did feel from that moment onwards a great sensation of comfort and a truer knowledge of serenity than I had ever obtained before.

So inventing by the light of inner consciousness alone, he worked up tiny doses of the grey ambergris into mutton fat, coloured it faintly pink with cochineal insects he caught on the prickly pear hedges, added a little crude borax as a preservative, and so produced a cosmetic that was no better and little worse than the thousand other nostrums of its kind in daily use elsewhere.

She was a dark-skinned Ammonite, her eyelids blackened with kohl, her arms ajingle with crude golden bracelets in the shape of serpents, too many of them, and too noisily jingling, her hair a flamboyant red from the dye of the henna plant.

Several anomalously old crude stone-tool industries of Eolithic type have been discovered in the Americas.

Several anomalously old crude stone tool industries of Eolithic type have been discovered in the Americas.

I can build all my own armor and clothing from base materials but it takes me more time than a professional armorer and seamstress and the results are cruder.

Crude oil came in from the Baku fields, pumped through furnaces into the fractionating towers, where the superhot Crude was separated into light, medium, and heavy fractions.

The Baptist jumped to his feet and stood rigid, his legs spread wide and his heavy crude staff grasped horizontally before him.

The fishing was good and they built a crude raft on which to float across the daily mound of firewood that Bazil collected along the shore.