| 词组 | decrease |
| 释义 | noun | verb decrease1 /ˈdiːkriːs/ noun the process of becoming less, or the amount by which something becomes lessadjectivesa significant/substantial/considerable decrease There has been a significant decrease in the number of road accidents.a dramatic/sharp decrease (=a very big and surprising decrease) The figures show a dramatic decrease in violent crime.a marked decrease (=a very noticeable decrease) The new treatment has resulted in a marked decrease in the number of deaths from the disease.a slight/small decrease The company reported a slight decrease in profits.a steady/gradual decrease There has been a steady decrease in the number of visitors to the island.a general/overall decrease The graph shows a general decrease in fuel prices. | The firm has experienced an overall decrease in production.a large decrease There has been a large decrease in the amount of water resources available.prepositionsa decrease in sth There was a decrease in the number of people who were unemployed.THESAURUS: decrease fall/drop a decrease, especially by a large amount. Fall and drop are less formal than decrease: There has been a sharp fall in sales of CDs. | The US auto maker reported a huge drop in profits. | There was a dramatic fall in share prices on the New York Stock Exchange. | There was a fall in demand for beef because of concerns about food safety. | Last night there was a big drop in temperature. decline a decrease in the number, amount, level, or standard of something, especially one that happens gradually: There has been a decline in the number of young workers. | Farmers have seen a decline in their incomes. | The country has experienced a gradual decline in population. | There was a decline in the price of corn from $5 to $4. reduction a decrease in the price, amount, or level of something: The company announced significant price reductions. | Stores are offering big reductions on electronic goods. | A small reduction in costs can mean a large increase in profits. | Have you noticed any reduction in your earnings? | There has been a significant reduction in the volume of traffic. | The firm saw a dramatic reduction in the number of complaints. cut a decrease in the price, amount, or level of something, because a company or government has reduced it. Cut is more informal than reduction, and is often used in news reports and on advertisements: The bank announced a 1% cut in interest rates. | He called for drastic cuts in government spending. | The website is offering big price cuts on a range of goods. | The government has promised tax cuts for families with children. | The company has already made significant job cuts.Collocations with words meaning decreaseYou can use significant and dramatic with all these words: a significant fall in sales a significant decline in the number of applicants a dramatic reduction in costs dramatic price cuts.You often use big with fall/drop, reduction and cut: a big fall in profits a big reduction in costs big tax cuts noun | verb decrease2 /dɪˈkriːs/ verb to become less in number, amount, or levelnounsthe number/rate/level/amount of sth decreases The number of farmers is decreasing year by year.the price/value/cost of sth decreases The price of gold decreased to 618.50 dollars per ounce.crime/violence/unemployment decreases Crime has decreased by 70% since the cameras were installed.adverbsdecrease significantly/considerably/substantially (=a lot) Violent crime has significantly decreased over the last ten years. | During this period unemployment decreased considerably.decrease rapidly (=very quickly) Since then, elephant numbers have been decreasing rapidly.decrease dramatically (=suddenly by a large amount) The survival rate decreases dramatically as the disease progresses.decrease markedly (=very noticeably) The number of accidents decreased markedly during the 1990s.decrease slightly Population levels have slightly decreased.decrease steadily (=gradually and continuously) The number of cigarette smokers has been steadily decreasing.prepositionsdecrease from... to... The amount of debt decreased from £63 million to £58 million.decrease by sth The population decreased by almost 50%.In more formal English, people often use decline instead of decrease: Living standards declined. Agricultural exports have declined, and food imports are increasing at 7% a year.In more informal English, people often use go down: The price of computers has gone down.THESAURUS: decrease go down to decrease. Go down is more informal than decrease: Unemployment has gone down in the past few months. | The value of the shares went down by over 30%. decline formal to decrease – used with numbers or amounts, or about the level or standard of something: The standard of living has declined. | Support for the government is steadily declining. | Salaries have declined by around 4.5%. plunge/plummet to suddenly decrease very quickly and by a very large amount: Share prices have plummeted 29% in the last four months. | Climate change could cause global temperatures to plummet. fall/drop to decrease, especially by a large amount. Fall and drop are less formal than decrease: The number of tigers in the wild has fallen to just over 10,000. | At night, the temperature drops to minus 20 degrees. diminish to become smaller or less important: Union membership diminished from 30,000 at its height to just 2,000 today. slide if a price or value slides, it gradually decreases in a way that causes problems – used especially in news reports: The dollar fell in late trading in New York yesterday and slid further this morning. dwindle to gradually decrease until there is very little left of something, especially numbers or amounts, popularity, or importance: Support for the theory is dwindling. taper off if a number or the amount of an activity that is happening tapers off, it gradually decreases, especially so that it stops completely: Political violence tapered off after the elections.ANTONYMS → increase1 (1) |
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