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001 - Ielts Reading book > GRE Vocab 019-30- Ielts Resources > Flashcards

GRE Vocab 019-30- Ielts Resources Flashcards

1
Q

statistics

A
  • quantitative data on any subject, esp data comparing the distribution of some quantity for different subclasses of the population
  • the mathematical study of the theoretical nature of such distributions and tests See also descriptive statistics, statistical inference
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2
Q

locality

A
  • A locality is a small area of a country or city.
  • Following the discovery of the explosives the president cancelled his visit to the locality.
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3
Q

germs

A
  • A germ is a very small organism that causes disease.
  • Chlorine is widely used to kill germs.
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4
Q

perishable

A
  • Goods such as food that are perishable go bad after quite a short length of time.
  • …perishable food like fruit, vegetables and meat.
  • Raw eggs are highly perishable and must be chilled before and after cooking.
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5
Q

debris

A
  • Debris is pieces from something that has been destroyed or pieces of rubbish or unwanted material that are spread around.
  • I watched the rescue workers sifting through the debris.
  • A number of people were killed by flying debris.
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6
Q

landfills

A
  • Landfill is a method of getting rid of very large amounts of rubbish by burying it in a large deep hole.
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7
Q

crumbling

A
  • If something crumbles, or if you crumble it, it breaks into a lot of small pieces.
  • Under the pressure, the flint crumbled into fragments.
  • If an old building or piece of land is crumbling, parts of it keep breaking off.
  • The high- and low-rise apartment blocks built in the 1960s are crumbling.
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8
Q

hazardous

A
  • Something that is hazardous is dangerous, especially to people’s health or safety.
  • They have no way to dispose of the hazardous waste they produce.
  • Passive smoking can be hazardous to health.
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9
Q

flammable

A
  • Flammable chemicals, gases, cloth, or other things catch fire and burn easily.
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10
Q

compounds

A
  • Word forms: plural, 3rd person singular present tense compounds, present participle compounding
  • A compound is an enclosed area of land that is used for a particular purpose.
  • Police fired on them as they fled into the embassy compound.
  • In chemistry, a compound is a substance that consists of two or more elements.
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11
Q

diethyl ether

A
  • a formal name for ether
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12
Q

neutralizes

A
  • To neutralize something means to prevent it from having any effect or from working properly.
  • The U.S. is trying to neutralize the resolution in the U.N. Security Council.
  • The intruder smashed a window to get in and then neutralized the alarm system
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13
Q

microfilming

A
  • Microfilm is film that is used for photographing information and storing it in a reduced form.
  • He painstakingly salvaged the material from the microfilm and pieced it together.
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14
Q

wood pulp

A
  • Wood pulp is wood that has been cut up into small pieces and crushed. Wood pulp is used to make paper.
  • Wasps make nests from chewed wood pulp mixed with saliva.
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15
Q

cellulose nitrate

A
  • a compound made by treating cellulose with nitric and sulphuric acids, used in plastics, lacquers, and explosives: a nitrogen-containing ester of cellulose
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16
Q

unbinding

A
  • If you unbind something or someone, you take off a piece of cloth, string, or rope that has been tied round them.
  • She unbound her hair and let it flow loose in the wind.
  • Many cultures still have fairly strict rules about women displaying unbound hair.
17
Q

carbonate solution

A
  • Carbonate is used in the names of some substances that are formed from carbonic acid, which is a compound of carbon dioxide and water.
  • …carbonate of ammonia solution
18
Q

rebinding

A
  • to bind (something, esp a book) again
  • If something binds people together, it makes them feel as if they are all part of the same group or have something in common.
  • …the social and political ties that bind the U.S.A. to Britain.
19
Q

binding off

A
  • “Binding off” in knitting refers to the process of finishing a piece by securing the stitches and creating a neat edge.
  • After completing the final row of the scarf, I bound off the stitches to prevent them from unraveling.
  • To finish the baby blanket, I carefully bound off the last row, creating a smooth and even edge.
  • The knitter demonstrated how to bind off the stitches at the end of the project, ensuring a professional-looking finish.
20
Q

volatile

A
  • A situation that is volatile is likely to change suddenly and unexpectedly.
  • There have been riots before and the situation is volatile.
  • The international oil markets have been highly volatile since the early 1970s.
  • Synonyms: changeable, shifting, variable, unsettled
21
Q

zinc sulphate

A
  • a colourless soluble crystalline substance usually existing as the heptahydrate or monohydrate: used as a mordant, in preserving wood and skins, and in the electrodeposition of zinc. Formula: ZnSO4
22
Q

bursts

A
  • If something bursts or if you burst it, it suddenly breaks open or splits open and the air or other substance inside it comes out.
  • The driver lost control when a tyre burst.
  • It is not a good idea to burst a blister.
23
Q

book conservators

A
  • A conservator is someone whose job is to clean and repair historical objects or works of art.
  • A conservator is someone who has been given legal responsibility for another person.
  • Her father is now her court-appointed conservator.
24
Q

buffers

A
  • A buffer is something that prevents something else from being harmed or that prevents two things from harming each other.
  • Keep savings as a buffer against unexpected cash needs.
  • .a multinational buffer force between the two sides
25
Q

permeation

A
  • If an idea, feeling, or attitude permeates a system or permeates society, it affects every part of it or is present throughout it.
  • Bias against women permeates every level of the judicial system.
  • An obvious change of attitude at the top will permeate through the system.
26
Q

sulphur dioxide

A
  • a colourless soluble pungent gas produced by burning sulphur. It is both an oxidizing and a reducing agent and is used in the manufacture of sulphuric acid, the preservation of a wide range of foodstuffs (E220), bleaching, and disinfecting.
27
Q

neutralizing alkalis

A
  • Neutralizing alkalis refers to the process of balancing or adjusting the pH level of a substance that is basic in nature.
  • When a strong alkali like sodium hydroxide is spilled on a surface, neutralizing alkalis can involve using an acid such as vinegar to bring the pH back to a safe level.
  • In agriculture, neutralizing alkalis in soil may be necessary to ensure optimal conditions for plant growth by adding substances like sulfur to counteract the alkalinity.
  • In a laboratory setting, neutralizing alkalis is a common practice when conducting experiments that involve strong bases to maintain a stable and safe environment for researchers.
28
Q

zinc oxide

A
  • a white insoluble powder used as a pigment in paints ( zinc white or Chinese white), cosmetics, glass, and printing inks. It is an antiseptic and astringent and is used in making zinc ointment. Formula: ZnO
29
Q

alkalis

A
  • An alkali is a substance with a pH value of more than 7. Alkalis form chemical salts when they are combined with acids.
30
Q

amphoteric

A
  • able to function as either a base or an acid
  • amphiprotic
31
Q

Chamber

A
  • A chamber is a large room, especially one that is used for formal meetings.
32
Q

flushed with

A
  • very excited because of some success or triumph
  • The tribal chieftain, victorious in battle, was flushed with success.
  • doubtless flushed with his elevation to leadership of the Liberal Party
33
Q

residual trace of

A
  • “Residual trace of” typically refers to a faint or remaining indication of something that was once present or active.
  • After cleaning the kitchen thoroughly, there was still a residual trace of garlic lingering in the air.
  • The detective found a residual trace of blood on the suspect’s shirt, linking him to the crime scene.
  • Despite their efforts to cover their tracks, there was a residual trace of their presence left behind in the abandoned house.
34
Q

dry nitrogen

A
  • “Dry nitrogen” refers to nitrogen gas that has been treated to remove any moisture or impurities.
  • In the electronics industry, dry nitrogen is often used to prevent oxidation and moisture damage during the manufacturing process.
  • The laboratory stored sensitive samples in an environment filled with dry nitrogen to maintain their integrity.
  • Automotive technicians use dry nitrogen to inflate tires as it helps maintain consistent tire pressure and prevents corrosion from moisture.
35
Q

unreached

A
  • not reached
  • not attained

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