LearnTest 1Test 2Test 3Up

      v[IT] free or detach oneself, withdraw ¶ release from sth that holds fast, connects, or entangles, extricate
      Carol gently disengaged herself from Susan's tearful embrace.
      Disengage the clutch before changing gear.
      Disengage the gears when you park the car.
      He tapped in the code and the lock disengaged.
      The number-one rule for being a good co-worker is to disengage your emotions from the working relationship.
      We must disengage our troops.
      Many have become disengaged from the political process because they are tired of rhetoric and tired of having their trust broken.
      n[C] a tradesperson specializing in electrical wiring of buildings, stationary machines and related equipment
      Electricians may be employed in the installation of new electrical components or the maintenance and repair of existing electrical infrastructure.
      Electricians may also specialize in wiring ships, airplanes, and other mobile platforms, as well as data and cable.
      In the United States, electricians are divided into two primary categories: linemen, who work on electric utility company distribution systems at higher voltages, and wiremen, who work with the lower voltages utilized inside buildings.
      Electricians are trained to one of three levels: Apprentice, Journeyman, and Master Electrician.
      Service electricians are tasked to respond to requests for isolated repairs and upgrades. They have considerable skills troubleshooting wiring problems, installing wiring in existing buildings, and making repairs.
      Construction electricians primarily focus on larger projects, such as installing all new electrical system for an entire building, or upgrading an entire floor of an office building as part of a remodeling process.
      "Electrician" is also used as the name of a role in stagecraft, where electricians are tasked primarily with hanging, focusing, and operating stage lighting.
      Call the electrician. the power is out.
      The plumber had to wait for the tile man, who was waiting for the electrician, who'd gone shopping.
      adj very small, tiny, minute
      If only 3% of Paris' cars are affected, then surely the environmental gain will be minuscule.
      It was a minuscule amount of money - but for this woman, the coin represented a meal.
      Yes, we have some problems with drugs and crime, but they're minuscule compared to our neighbours, never mind the United States.
      The museum only houses a minuscule part of the remnants of ancient Carthage.
      Models make up such a minuscule percentage of the population, but yet the rest of us are striving to be just like them.
      adj much more important, more powerful, or better than any others of its kind
      We need a new approach to save them, says preeminent field biologist George B. Schaller.
      The U.S. will remain in the pre-eminent power, but that American dominance will be much diminished.
      The history here is not especially helpful, with the O.J. Simpson trial as perhaps the pre-eminent example.
      Zora Neale Hurston is considered one of the pre-eminent writers of twentieth-century African-American literature.
      An eminent person is well-known and respected, especially because they are good at their profession.
      n[C] a rule, instruction, or principle for action or behavior
      "Example is better than precept" means that you will teach people more effectively by being a good example than you will by telling them what to do.
      It is time to restore the American precept that each individual is accountable for his actions.
      I guess they are following the political precept that when your opponents are killing off each other it is best just to stay out of the way.
      Do the commandment - They must pay the strictest regard to every moral precept.
      If we reflect on this precept, we will find its meaning extremely instructive and useful.
      n[UC] a vegetable with green leaves around a firm white center
      Cauliflower is one of several vegetables in the species Brassica oleracea, in the family Brassicaceae.
      Cauliflower heads resemble those in broccoli, which differs in having flower buds.
      Cauliflower is low in fat, low in carbohydrates but high in dietary fiber, folate, water, and vitamin C, possessing a high nutritional density.
      Cauliflower can be roasted, boiled, fried, steamed, or eaten raw. When cooking, the outer leaves and thick stalks are removed, leaving only the florets.
      Low carbohydrate dieters can use cauliflower as a reasonable substitute for potatoes or rice; while they can produce a similar texture, or mouth feel, they lack the starch of the originals.
      Cauliflower cheese consists of pieces of cauliflower lightly boiled and covered with a milk-based cheese sauce, for which a strong hard cheese (such as cheddar) tends to be preferred.
      Broccoli is an edible green plant in the cabbage family whose large, flowering head is eaten as a vegetable.
      The word broccoli comes from the Italian plural of broccolo, which means "the flowering crest of a cabbage", and is the diminutive form of brocco, meaning "small nail" or "sprout".
      Cauliflower ear is a condition that occurs when the external portion of the ear suffers a blow, blood clot or other collection of fluid under the perichondrium.
      This separates the cartilage from the overlying perichondrium that supplies its nutrients, causing it to die and resulting in the formation of fibrous tissue in the overlying skin.
      As a result, the outer ear becomes permanently swollen and deformed, resembling a cauliflower.
      v[T] pierce with or as if with a pointed weapon ¶ surprise, interest, frighten etc sb so much that they do not move
      He was transfixed with nails, Who is the Son of the Virgin.
      Corey, along with the other club-goers, is transfixed by the sounds of the band performing that night.
      Everyone was transfixed on the fire wondering if it would go out or only get bigger.
      I sat transfixed by these images from Uganda.
      I was transfixed in front of the TV throughout this disaster.
      Last week, the world stared transfixed at images of the abuse of Iraqi prisoners at the hands of American soldiers.
      adj having a large population
      Atlanta is the capital of and the most populous city in the U.S. state of Georgia.
      Yonkers is the fourth most populous city in the U.S. state of New York.
      Peru has a population of 29,546,963, with an annual growth rate of 1.23%. This makes Peru the fifth most populous country in Latin America (after Brazil, Mexico, Colombia, and Argentina).
      China's Communist Party unveiled a new seven-man leadership council headed by Xi Jinping to take command of the world's most populous nation for the next decade.
      With over 200 million people, Uttar Pradesh is India's most populous state.
      Ontario is still an axis. It's by far the most populous province, with 38.4 per cent of the population.
      adj clean ¶ of or relating to health or the protection of health
      "I had to sanitize my hands because the university replaced the paper towels in the restrooms with hot-air blowers." "Oh, I thought the blowers were more sanitary."
      A sanitary napkin, sanitary towel, sanitary pad, menstrual pad, maxi pad, or pad is an absorbent item worn by a woman or girl while she is menstruating, while she is recovering from vaginal surgery, for lochia (post birth bleeding), after an abortion, or in any other situation where it is necessary to absorb a flow of blood from her vagina.
      One common way that even sanitary-product advertising avoids mentioning menstruation is by pouring a blue liquid on the sanitary product to demonstrate its absorptiveness.
      The scheme contemplates the training of ladies, so-called health missioners, so as to qualify them to give instruction to village mothers in the sanitary conditions of the person, clothes and bedding, and house.
      There are numerous designated campsites ($5 per person) located at Fish Lake. Please use the sanitary facilities that are supplied so that lake pollution can be prevented.
      The Scott Paper Company was the world's largest manufacturer and marketer of sanitary tissue products with operations in 22 countries.
      n[U] words or expressions that are very informal and are not considered appropriate for more formal situations
      Slang consists of a lexicon of non-standard words and phrases in a given language.
      In some contexts a speaker's selection of slang words or phrases may convey prestige, indicating group membership or distinguishing group members from those who are not a part of the group.
      Internet slang (Internet shorthand, Cyber-slang, netspeak, or chatspeak) refers to a variety of slang languages used by different people on the Internet.
      Internet slang is used in chat rooms, social networking services, online games, video games and in the online community.
      In English, examples include the word "bazinga" from the CBS show The Big Bang Theory.
      Started in 1996, The Online Slang Dictionary is the eldest slang dictionary on the web.
      We bring you more than 24,000 real definitions for over 17,000 slang words and phrases.
      Our slang thesaurus has more than 600 categories of meaning. Some of our unique features include usage and vulgarity stastics, and maps showing where each word is used.
      v[IT] try to discover information or opinions by asking people ¶ try to obtain political support or votes, especially by visiting all the houses in an area ¶ talk about sth in detail
      also a noun
      In addition to ranking areas by the PDI, the study canvassed spending on pedestrian- and bicycle-related projects.
      When the police arrived, he had disappeared. We canvassed the area for him for 45 minutes, but did not find him anywhere.
      "U.S. farmers face this drought in their strongest financial position in history, buoyed by less debt, record-high grain and land prices, plus greater production and exports," reported Christine Stebbins of Reuters, after a thorough canvassing of industry and government experts.
      Fritz, a tea party member, said excitement is brewing before Election Day for Romney. Never before had she canvassed neighborhoods to get out the vote, but this year she kicked up campaign efforts.
      Directed by Oscar-winner Kevin Macdonald, the film canvasses every aspect of the musician's brief life.
      Every household will have now received a canvass form and those who have not yet responded can expect a knock on the door from one of the council's team of canvassers during August and September.
      Compare canvas and canvass.
      n[C] a final statement of terms made by one party to another
      An ultimatum (Latin: the last one) is a demand whose fulfillment is requested in a specified period of time and which is backed up by a threat to be followed through in case of noncompliance.
      An ultimatum is generally the final demand in a series of requests.
      As such, the time allotted is usually short, and the request is understood not to be open to further negotiation.
      The threat which backs up the ultimatum can vary depending on the demand in question and on the other circumstances.
      The word is used in diplomacy to signify the final terms submitted by one of the parties in negotiation for settlement of any subject of disagreement.
      It is accompanied by an intimation as to how refusal will be regarded.
      This Punch cartoon satirises rejection of the ultimatum by Austria, France and Turkey while Britain watches, amused.
      From Potsdam in 1945, before Russia declared war on Japan, Great Britain, China and the United States issued an ultimatum suggesting that Japan join the Germans and Italians in surrender.
      The landlord of the house we were living in then gave us a 24-hour ultimatum to take our rabbits from his house.
      adj lasting, enduring
      His abiding love for his wife Branka and son Nikola sustained him.
      She said: "I want to talk to you about the deep and abiding love I have for a man I met at a dance many years ago."
      The legacy of Martin Luther King, Jr to us is an abiding faith in the possibilities of America and the promised of a just God.
      The best of this book is the author's abiding faith in eventually finding the truth by pursuing it relentlessly.
      Her mainstay was her abiding faith in God and humankind.
      n[U] a green or brown plant that grows in the sea
      Seaweed is a macroscopic, multicellular, marine algae that lives near the seabed. The term includes some members of the red, brown, and green algae.
      The benthic zone is the ecological region at the lowest level of a body of water such as an ocean or a lake, including the sediment surface and some sub-surface layers.
      Seaweeds are consumed by coastal people, particularly in East Asia, e.g., Brunei, Japan, China, Korea, Taiwan, Singapore, Thailand, Cambodia, and Vietnam, but also in South Africa, Indonesia, Malaysia, Belize, Peru, Chile, the Canadian Maritimes, Scandinavia, South West England, Ireland, Wales, California, Philippines, and Scotland.
      In Asia, Nori (Japan), Zicai (China), and Gim (Korea) are sheets of dried Porphyra (a cold water seaweed that grows in cold shallow sea water) used in soups or to wrap sushi.
      Seaweed is a source of iodine, necessary for thyroid function and to prevent goitre.
      Seaweed is an ingredient in toothpaste, cosmetics and paints.
      v[T] refuse to accept sth/sb as true, good or reasonable
      In fact, the figure of 4,000,000 was later repudiated by the Auschwitz museum officials in 1990 but the figure of 1,500,000 victims was not formally announced by Polish President Lech Walesa until five years after the Auschwitz historians had first announced their discovery.
      They've been comprehensively repudiated by the second biggest Christian denomination -- the Roman Catholic Church.
      The worship of Mary, though repudiated by the Protestants, was widely spread in the earlier Churches, both in the East and the West.
      A breach of condition will entitle the injured party to repudiate the contract and claim damages.
      Flight, telescopes, space travel and vision from satellites has repudiated the notion of a heavenly destination for the floating dead.
      Compare denounce, reject, and repudiate.
      v[T] exchange or junction
      also a verb
      In the field of road transport, an interchange is a road junction that typically uses grade separation, and one or more ramps, to permit traffic on at least one highway to pass through the junction without directly crossing any other traffic stream.
      An interchange station (in the UK, most Commonwealth countries, Hong Kong and Ireland) or a transfer station (in Canada and the USA) is a train station for more than one railway route in a public transport system, and allows passengers to change from one route to another.
      A transport hub (also transport interchange) is a place where passengers and cargo are exchanged between vehicles or between transport modes.
      Interchange fee is a term used in the payment card industry to describe a fee paid between banks for the acceptance of card based transactions.
      Usually it is a fee that a merchant's bank (the "acquiring bank") pays a customer's bank (the "issuing bank") however there are instances where the interchange fee is paid from the issuer to acquirer, often called reverse interchange.
      When I say career 'guidance', I am thinking that the term could be interchanged with advice, counselling or coaching.
      Parts from one model can not normally be interchanged with those from another.
      adj of or relating to the punishment of criminals
      A criminal code (or penal code) is a document which compiles all, or a significant amount of, a particular jurisdiction's criminal law.
      Penal labour is a generic term for various kinds of unfree labour which prisoners are required to perform, typically manual labour.
      The work may be light or hard, depending on the context.
      Forms of sentence involving penal labour have included penal servitude and imprisonment with hard labour.
      The term may refer to several related scenarios: labour as a form of punishment, the prison system used as a means to secure labour, and labour as providing occupation for convicts.
      These scenarios can be applied to those imprisoned for political, religious, war, or other reasons as well as to criminal convicts.
      Large-scale implementations of penal labour include labour camps, prison farms, and penal colonies.
      It's ironic that in previous centuries Irish priests were persecuted during the penal laws when the Mass was driven underground, but some are now seeking refuge in England.
      After the Revolutionary War, in 1786, the penal system was revised and allowed for the death penalty in all but two major crimes.
      adj clever, shrewd
      Elizabeth, as a somewhat insecure monarch, wanted desperately to support Mary as a fellow queen and was hesitant to act against another anointed sovereign. That said, Elizabeth was also politically astute enough to realize she could never openly support Mary's claim to the Scottish throne by supplying her with soldiers and arms to enforce claim.
      Eliot was an astute observer of her contemporary scene.
      These are the tactics of an astute politician, who changes to suit changing political circumstances.
      The book explores how geography created a unique economic and migratory history for Tasmania, quite separate from the mainland experience, and offers an astute analysis of the island's economic and demographic reality.
      The more astute reader will have noticed that this is the same university and year that Cams graduated.
      adj showing or talking about sexual activities in a very obvious way that is intended to make people sexually excited
      You can not use our site to post pornographic material.
      Police also found pornographic images of the girl on the 22-year-old's phone.
      Joseph Mortimer Granville invented the first electric vibrator, which came with attachments to vary sensation.
      In 1902 it was available for retail - around ten years before electric vacuum cleaners.
      During the 1920s the vibrator starred in pornographic films, putting an end to companies pretending their products were innocent massagers; and adverts were dropped and endorsements repealed.
      What's this in my pocket? Why it's Joey's porno movie.
      Yeah your pervert boyfriend watched me in a porno movie!
      n[C] sb who makes and repairs things made of iron
      A blacksmith is a metalsmith who creates objects from wrought iron or steel by forging the metal, using tools to hammer, bend, and cut (cf. whitesmith)
      Blacksmiths produce objects such as gates, grilles, railings, light fixtures, furniture, sculpture, tools, agricultural implements, decorative and religious items, cooking utensils and weapons.
      While there are many people who work with metal such as farriers, wheelwrights, and armorers, the blacksmith had a general knowledge of how to make and repair many things, from the most complex of weapons and armor to simple things like nails or lengths of chain.
      The origin of "smith" is debated, it may come from the old English word "smythe" meaning "to strike" or it may have originated from the Proto-German "smithaz" meaning "skilled worker."
      Blacksmiths work by heating pieces of wrought iron or steel until the metal becomes soft enough for shaping with hand tools, such as a hammer, anvil and chisel.
      Heating generally takes place in a forge fueled by propane, natural gas, coal, charcoal, coke or oil.
      Compare blacksmith, coppersmith, goldsmith, locksmith, silversmith, and tinsmith.
      v[IT] withdraw
      On that occasion, the claim was retracted and apologised for.
      Of the 2,047 publications analysed, an unprecedented two-thirds of the publications retracted because of fraud or suspected fraud were from the United States, Germany, Japan and China.
      Howard. The person at fault for you not getting a security clearance is me. But before you get upset, I want you to know I went to the FBI, and retracted my statement.
      I just posted a retraction of my paper. Now the whole scientific community knows I was wrong.
      Hey, Cooper. Read your retraction email. Way to destroy your reputation.
      If part of an object or animal retracts or is retracted, it is pulled backward or inside it.
      The sea otter can retract the claws on its front feet.
      adj with no value or effect
      In statistics, a null hypothesis is what you expect to happen before you run an experiment.
      The idea is that if the results don't reject the null hypothesis, then you aren't finding anything new or surprising.
      If you do an experiment to see if people like chocolate or vanilla ice cream better, the null hypothesis is that people like them equally.
      The opposite of a null hypothesis is an alternative hypothesis. For example, People like chocolate ice cream better than vanilla.
      A null pointer has a value reserved for indicating that the pointer does not refer to a valid object. In C, two null pointers of any type are guaranteed to compare equal.
      If an agreement, a declaration, or the result of an election is null and void, it is not legally valid.
      The union representing City of Detroit sewage plant workers filed a lawsuit against the city Wednesday, seeking to have a controversial multimillion-dollar contract with Synagro Technologies Inc. declared null and void.
      Compare annul and null.
      v[I] move lightly and quickly from one place or thing to another
      I meant to do my work today, But a brown bird sang in the apple tree, And a butterfly flitted across the field, And all the leaves were calling me.
      Hailey flitted in and out, wearing a lavender nightgown.
      Shock flitted across his face before he pulled his expression together.
      Yes, I've flitted from one thing to the next in my life, but I've settled on music, which was always a feature in my life.
      Fruit flies flitted around the seats, and Ames could see decaying oranges and pears on the floor.
      Yachts bobbed along the estuary and gulls flitted about in the wake of the southbound Isle of Wight ferry.
      n[C] a piece of paper which gives you information or advertises sth ¶ small leaf
      also a verb
      A flyer or flier, also called a circular, handbill or leaflet, is a form of paper advertisement intended for wide distribution and typically posted or distributed in a public place or through the mail.
      Leaflets being handed out in New York City (1973)
      Distribution of leaflets over Afghanistan by the U.S. military in 2010
      Leaflets that are folded are usually used for advertising or marketing purposes, or for information supplementary to labels.
      I don't want to hear anything from you unless you've donated to a campaign, unless you've gone door-belling, unless you've phoned, leafleted... If you haven't done anything, then you obviously don't care enough.
      A leaflet in botany is a leaf-like part of a compound leaf.
      Mimosa pudica folding leaflets inward.
      n[U] practical knowledge and ability, expertise
      With all aspects of life becoming computerized and digital, you do not want to be left behind. Computer literacy and the know-how of internet navigation will open up a whole new world to you.
      I'd previously searched for flights using aggregator sites like everyone else. These give you a pretty standard fare but it turns out much cheaper tickets are available, you just need a little know-how to get to them and most regular folk don't know how to get this done.
      Pupils will live and work in a 21st-century world that demands increasing technological know-how.
      So if you're a business person without any technical know-how and you're proposing to launch a business that requires technology it's going to be very helpful to have a technical co-founder.
      Compare know-how, know-it-all, and technique.