re‧duce S1 W1 / rɪdjus $ rɪdus / 动词
1 [及物动词] to make something smaller or less in size, amount, or price 同义词 cut → reduction :
The governor an 名词 ced a new plan to reduce crime.
The helmet law should reduce injuries in motorcycle accidents.
Small businesses will need to reduce costs in order to survive.
reduce something by something
The workforce has been reduced by half.
reduce something (from something) to something
All the shirts were reduced to £10.
The new bridge should reduce travelling time from 50 minutes to 15 minutes.
2 [不及物和及物动词] if you reduce a liquid, or if it reduces, you boil it so that there is less of it
3 [不及物动词] especially American English to become thinner by losing weight → diet
4 be in reduced circumstances old-fashioned to be poorer than you were before
COLLOCATIONS
副词
greatly/substantially/considerably reduce He has greatly reduced the political power of the armed forces.
significantly reduce Their symptoms were significantly reduced.
dramatically/drastically reduce They are committed to drastically reducing the size and cost of government.
sharply reduce Medical progress has sharply reduced death rates.
gradually reduce The aim is to gradually reduce the number of troops in the area.
THESAURUS
to reduce prices, numbers, or amounts
reduce to make the price, amount, or size of something less or smaller : The price was reduced by 50%. | We need to reduce the amount of salt in our diet.
cut to reduce something, especially by a large amount – used about prices, costs, jobs, or the time needed to do something : Companies are always looking for ways to cut costs. | The journey time will be cut to under 2 hours. | Staff numbers have been cut by half to about 150.
lower to reduce the level, limit, or amount of something. Lower sounds rather formal : The voting age was lowered to 18. | The government decided to lower interest rates by 0.5%. | After twenty minutes, lower the temperature to 150 degrees.
bring something down to reduce something such as prices or costs, or reduce the level of something. Bring something down is less formal than lower : The government wants to bring down the level of inflation. | The company is trying to bring its costs down.
slash informal to reduce an amount or price by a very large amount – used especially in newspapers and advertisements : Public spending has been slashed over the past two years. | Prices slashed for one week only!
cut something back to reduce the amount of something – used especially about people deciding to spend less, do less, or use less of something : The education budget has been cut back again. | I need to cut back on my workload.
downsize to reduce the number of people employed in order to reduce costs – used about a company or organization : The company is planning to downsize its European operations.
scale something down/back to reduce the size or the amount of money that is being spent on something : The research programme has been scaled down. | The navy is being scaled down.
relieve/ease to make pain or feelings less unpleasant : The drug is used to relieve pain. | A joke can help to ease the tension.
alleviate formal to reduce pain or suffering, or make a problem less serious : You can buy various medicines to alleviate the symptoms of flu. | The new road was supposed to alleviate the congestion problem.
reduce somebody/something to something 短语动词
1 reduce somebody to tears/silence etc to make someone cry, be silent etc :
She was reduced to tears in front of her students.
2 reduce somebody to doing something to make someone do something they would rather not do, especially when it involves behaving or living in a way that is not as good as before :
Eventually Charlotte was reduced to begging on the streets.
3 reduce something to ashes/rubble/ruins to destroy something, especially a building, completely :
A massive earthquake reduced the city to rubble.
4 to change something into a shorter simpler form :
Many jobs can be reduced to a few simple points.