单词 | impact | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
释义 | impact1 nounimpact2 verb impactim‧pact1 /ˈɪmpækt/ ●●● S3 W2 AWL noun Word OriginWORD ORIGINimpact1 ExamplesOrigin: 1600-1700 Latin past participle of impingere; ➔ IMPINGEEXAMPLES FROM OTHER DICTIONARIES Thesaurus
THESAURUS► effect Collocations a change that is caused by an event, action etc: · The people in this area are still suffering from the effects of the famine.· The treatment had little or no effect. ► impact an effect that happens as a result of something important, especially a big and permanent effect: · Changes in technology have had a massive impact on the way we work.· the environmental impact of industrial activity ► influence the effect that something has on people’s opinions or behaviour, or on how something develops: · American television has had a big influence on popular culture in the west.· His ideas had a lot of influence at the time. ► side effect an unwanted and unplanned effect that something has – used especially about drugs and medical treatment: · Common side effects of the drug may include headaches and muscle pains. ► after-effects British English, aftereffects American English bad effects that continue for a long time after the thing that caused them: · A traumatic experience can have severe psychological after-effects.· the after-effects of the war ► repercussions the effects that happen later as a result of an event or decision, especially a range of effects that continue for a long time: · The scandal could have serious repercussions for her career.· The judge’s decision is likely to have important repercussions for future cases of this kind. ► a knock-on effect British English used when something has an effect on something, which then has an effect on something else: · Higher oil prices have a knock-on effect on other fuels. ► footprint the effect that human activities have on the environment, caused by using up its natural resources, pollution, waste etc: · Businesses all over the world must attempt to reduce their environmental footprint.· The house has a low carbon footprint (=it uses very little energy from carbon and therefore is good for the environment). Longman Language Activatorthe effect that something has► effect a change that is caused by something that happens or by something that someone does: effect of: · the harmful effects of smoking· Gail was still recovering from the effects of her operation.effect on: · The study measured the effect of fertilizers on the size of crops.without much effect: · I tried using bleach to remove the stain, but without much effect.feel the effects of something: · I was starting to feel the effects of two nights without much sleep. ► side effect a bad effect that something can have in addition to its good effects - use this especially about harmful effects that a drug can have: · At higher doses, the most common side effects are nausea and vomiting.side effect of: · One possible side effect of the drug is loss of memory. ► impact a big and permanent change that happens as a result of something important: impact of: · the lasting impact of improved education on the country's economic successimpact on: · The Internet's impact on the way we do business has been remarkable.· The company is trying to lessen the impact of the oil spill on marine life. ► influence the continuing effects that something has on the way that people think or behave, or on the way that things develop: influence of: · The authorities were worried about the influence of Western films and TV programmes.influence of something on something: · The book is about the influence of feminist ideas on American society. ► what something does to especially spoken use this to talk about a bad effect that something has on someone or something: · Do you ever think about what those cigarettes must be doing to your lungs?· Look what the storm has done to the flowers. ► the implications the possible effects that something is likely to have in the future: the implications for: · What do you think the implications of the new law will be for small businesses? have implications: · The new treatment will have implications for anyone suffering from an allergy.wider implications (=more important implications, especially ones that people have not yet considered): · The case is likely to have wider implications, for example those affecting press freedom.the implications of: · The implications of the committee's decision are many. to have a bad effect► have a bad/serious/harmful etc effect · The drug can have a serious effect on the body's immune system.have a devastating/disastrous effect (=have an extremely bad effect) · The war is having a devastating effect on people's lives. ► badly/seriously etc affect to have a bad effect on someone or something: · Late nights and lack of sleep can seriously affect your performance at work.· Rescue officials have gone to three villages badly affected by the earthquakes. ► be bad for to have a bad effect on someone or something: · Changing schools too often can be bad for a child's social development.it's bad for somebody to do something: · I think it's bad for her to spend so much time worrying about him. ► take a toll/take its toll to have a serious and harmful effect on something or someone, especially after continuing for a long time: · Years of civil war and drought have taken their toll, and the population of the region is greatly reduced.take a toll/take its toll on: · Bad working conditions eventually take a toll on staff morale. ► leave a mark/leave its mark to have an important and permanent effect on something: · She was only here for a few months, but she certainly left her mark.leave a mark/leave its mark on: · The long dispute has left its mark on the mining industry. ► tell to have a noticeable and often harmful effect on a person or on a situation: tell on: · The strain of living with her violent husband was telling on Judy.start/begin to tell: · The power of the mayor's cronies began to tell as the election drew closer. ► have a negative impact on to affect something in a way that harms it or makes it worse than it was before: · We need to be assured that the new development will not have a negative impact on the local environment.· Last year's attacks have continued to have a negative impact on the tourist industry this year. to have an effect on someone or something► have an effect to make someone or something change in some way, for example by making them better or worse: · For some patients, the treatment has an immediate effect.have an effect on: · What you eat when you are pregnant can have an effect on your baby.· No one knows yet what effects genetically modified foods will have on the environment.have little/no effect: · The government's policies have so far had little effect in reducing the level of inflation. ► have an impact if an event, invention, or new idea has an impact on something, it affects it in important ways and causes big changes: · The new management team has clearly had an impact.have an impact on: · It is unlikely that the storms will have much impact on this year's harvest.· the impact of the Internet on all our liveshave a great/enormous/major etc impact: · Einstein's work on relativity had an enormous impact on the way physics developed.have little/no impact: · At first, the revolution had little impact on the lives of ordinary people. ► affect to produce a change, for example in the way that something develops or in someone's situation: · The new tax law doesn't affect me because I'm a student.· Scientists are investigating the ways in which climate changes affect the ozone layer. ► take effect if something takes effect , especially a medicine or drug, or a new plan or system, it starts to have an effect: · It will be a while before the government's new economic policy takes effect.· The dentist gave me an injection that took effect almost immediately, and I didn't feel a thing. ► make a difference to have a noticeable effect on a situation: · If everybody helps a little, it really makes a difference.· You can call and complain, but I don't think it will make any difference.make a big difference: · Just getting a new hairstyle and new outfit made a big difference to my confidence. ► impact to affect something such as sales or profits - used especially in business and journalism: · How is the growth of e-commerce likely to impact the retail sector?impact on: · Child care is an issue that impacts on a broad cross-section of working women. when something hits someone or something► blow the movement of hitting someone hard with your hand or with something held in your hand: · The blow proved fatal.strike (somebody) a blow: · The assailant struck several blows before he was restrained.· Officer Stacey was knocked over by a sharp blow to the head. ► impact when one object hits another: · Just after the impact there was a flash as the rocket exploded.on impact: · Both cars burst into flames on impact. ► collision when something, especially a vehicle, hits something else while it is moving: · Whiplash, a neck injury, is a result of automobile collisions.· News of the mid-air collision reached the papers quickly.head-on collision (=when two vehicles hit each other directly): · Those who drive the road regularly say their biggest fear is a head-on collision. COLLOCATIONS FROM THE ENTRYadjectives► big/great Phrases· Winning this competition could have a big impact on my life.· His impact was greater than that of the Beatles. ► huge/enormous/massive· Industry has a huge impact on the environment we live in.· The impact has been enormous on people’s daily lives. ► small· New technologies have only had a small impact on the overall level of employment. ► minimal/negligible (=very small and not important)· The change in government had a minimal impact in the rural areas of the country. ► positive (=having a good effect)· Cuts in federal spending should have a positive impact on America’s economic future. ► negative/damaging (=having a bad effect)· The expansion of the airport would have a negative impact on the environment. ► disastrous (=a very bad effect)· His leg injury had a disastrous impact on his career as a footballer. ► a major/significant impact (=important)· The war had a major impact on French domestic politics. ► a profound impact (=very important)· Population growth has a profound impact on world food demand. ► an adverse impact formal (=a bad effect)· The loss of forests has had an adverse impact on bird populations. ► a real impact informal (=a big impact)· The film made a real impact on cinema audiences. ► a lasting impact (=one that lasts for a long time)· The arrival of the railways made a lasting impact on many sectors of the economy. ► a long-term impact· Scientists are calculating the long-term impact of the floods. ► a short-term/immediate impact· A military attack may only have a short-term impact on terrorist activity. ► an emotional/psychological impact· Their mother’s death had a huge emotional impact on the children. ► an economic impact· It is difficult to measure the economic impact of the war. ► an environmental impact· The environmental impact of the construction project is being investigated. ► the full impact of something· South Wales felt the full impact of the recession. ► the potential/likely impact· He’s studying the potential impact of climate change. verbs► have an impact· New technology has had a massive impact on our lives. ► make an impact· The product quickly made an impact on the market. ► feel the impact of something· The industry has felt the impact of rising fuel prices. ► reduce/lessen/soften the impact of something (=make it less severe or unpleasant)· The chemical industry is looking at ways to reduce its impact on the environment. ► lose impact (=have less effect)· The picture loses impact when it is reduced in size. COLLOCATIONS FROM OTHER ENTRIES► assess the impact/extent/effectiveness etc of something a report to assess the impact of advertising on children ► cushion the blow/impact (of something) generous leaving allowances to help cushion the blow of redundancy ► a devastating effect/impact· The recession has had a devastating impact on employment in this area. ► a direct effect/impact· Our organization’s work has a direct impact upon children’s lives in this country. ► a dramatic effect/impact· An accident can have a dramatic effect on your family’s finances. ► the effect/impact on the environment· The building’s design will minimize its impact on the environment. ► the environmental impact· Don’t underestimate the environmental impact logging has on the rainforest. ► exaggerate the impact (of something) (=say the effect or influence of something is worse than it really is)· We believe the Chancellor is exaggerating the impact these proposals will have. ► far-reaching implications/impact/effects Tourism has had far-reaching effects on the island’s culture. ► lessen the impact/effect/importance (of something) The new project will lessen the effects of car pollution. ► the likely impact (=the likely effect or influence of something)· What is the likely impact of the new factory on the local environment? ► a positive effect/impact· Exercise has a positive effect on health. ► profound effect/influence/impact/consequence etc Tolstoy’s experiences of war had a profound effect on his work. The mother’s behaviour has a profound impact on the developing child. ► soften the blow/impact The impact of the tax was softened by large tax-free allowances. COLLOCATIONS FROM THE CORPUSADJECTIVE► big· Parcels delivery is another area where pen computers could make a big impact.· The Kelly factor is big, and Rodman also had a big impact on our walk-up.· But the bigger impact on the Clinton legacy may be the judges that Mr Clinton himself was unable to appoint.· The biggest local impact will be in Santa Clara County where 19 branches will close, affecting 137 employees.· The biggest impact Bowie had on me was with his haircut.· As a result, this group is likely to have its biggest impact ever in the 1996 election.· He had had too big an impact on her.· With careful pinpointing, manufacturers can have as big an impact with fewer coupons, he says. ► direct· For developing countries, volatility increased the direct impact on their domestic policies and plans.· This had a direct impact on the problem-solving time which is now on average 8.5 times longer than in the 1980s.· The direct impact of improving health in later life has been relatively recent.· The railways not only made a direct physical impact on the landscape: their indirect effects were equally powerful and far-reaching.· National systems of testing use light sampling methods and therefore the direct impact on the curriculum is unlikely to be large.· It has a direct impact on our growth as persons, happy or unhappy.· The tide of immigrants is expected to have a direct but manageable impact on the United States.· The policies which had the most direct impact concerned income tax. ► economic· The economic impact of the disease has been as appalling as the humanitarian one.· The pollution is already making a strong economic impact, both in the ponds and on the open water.· Its economic impact is minimal, its publicity value huge.· Their contributions were not limited to accomplishments in sporting arenas, but also had important social and economic impact.· Both as employees and as entrepreneurs, their position is better than it was and their economic impact bigger.· Local estimates put the economic impact of one playoff game at $ 8 million.· So, armed with consultants' reports on the favorable economic impact, they offer to provide buildings or infrastructure.· Before critical habitat can be designated, an analysis of the resulting social and economic impacts must be made. ► environmental· I want to consider whether the way in which environmental impact assessments are drawn up at the moment is satisfactory.· Tremendous environmental impacts, but no environmental impact state-ments.· In many cases, both the minimisation of environmental impact and cost savings compared with previous practice have been achieved.· They want fewer screens and a new environmental impact report prepared to supplant one published 11 years ago.· What are the environmental impacts of traffic?· The final draft of the environmental impact report on rezoning is to be completed in the spring.· Increasingly such requirements are based on life-cycle assessments of the product's environmental impact during production, consumption and disposal.· These changes, appropriately pursued, could also bring large long-term reductions in emissions of carbon dioxide and other environmental impacts. ► full· It is interesting to note that there appears to be great resistance to acknowledging the full impact of secularism on schools.· Yet the Marana council members are so unsophisticated they seem unable to grasp the full impact of their actions.· Some say they were unaware of the full impact of the new line management structure when they met to discuss it.· We are only now realizing the full impact of Reaganism here at home.· The full impact of it seemed to come from the roof, and was so strong that she jerked up in bed.· But many say the full impact of the Woolf revolution is just around the corner.· It is then that the full impact of Cobra power is manifest.· But the full impact of research into human genetic information is only now beginning to become clear. ► great· Nylon made a great impact on the textile industry when it was first discovered.· They also have far greater impact.· This technique has had a great deal of impact in computer programming where it in systems analysis and design.· In larger cities, ties to the land are less important and homogenizing influences have a greater impact.· There is no doubt that this early form of man had a greater impact on the natural world than any other animal.· This new age of anonymity and adopted identity portends great impact on our traditional notions of discourse and protected speech.· For greater impact, try grouping several displays together as a single one can look a little lost. ► immediate· I too enlarged the material in Sur Incises, and the work had an immediate impact without my abandoning anything at all.· But the United States has demurred, lobbying only for senior positions that can have an immediate impact on U.S. interests.· The immediate and obvious impact of all this is an increase in speed and accuracy at the checkout.· With those expectations already incorporated in investors' thinking, Greenspan's remarks had only a small immediate impact on financial markets.· These ideas were to prove fruitful in the longer term, but their immediate practical impact was small.· There are few defensive backs who are expected to make immediate impact.· Yet the immediate impact of the statute was much less dramatic than this longer-term picture might suggest.· But Brown wants a more immediate impact. ► likely· These writers are not only giving varying assessments of the likely impact of the Reform Act.· Some supporters said Starr should reconsider his decision because of its likely adverse impact on cooperating witnesses.· The Hardwicke case also throws an interesting light on the likely future impact of the Act on crime.· What is the likely impact of this shift on the long-term growth and profitability of the company? 4.· Evaluating the likely impacts is complex.· Over geological time it is likely that impacts have reduced the mass of the Martian atmosphere by a factor of one hundred. ► little· Television coverage had surprisingly little impact on trends in party credibility.· The widely expected decision had little impact on financial markets.· Television viewing had relatively little impact.· As a result Michael Owen and Robbie Fowler made little attacking impact.· It made little impact on the computing world, and no dents whatsoever in the universe.· The rediscovery of mind had relatively little impact on the psychobiology of the time.· Griffey said that even if the new law is found unconstitutional, it will have little impact on the state. ► major· They had a major impact on the community, and attracted authority, wealth and prestige.· The digital switches industry has a major impact on the I-way.· Thirdly, the new technology is having a major impact at work, for a number of reasons.· The main geological evidence for a major ocean impact would lie in tsunami wave deposits.· Yet the prospects of this constituency making a major political impact and extracting liberal reforms from the regime appear poor.· Privacy advocates called it the most sweeping privacy law in decades and said it would have a major impact on health care.· What is likely to be the major impact of organizational size on the information needs of managers?· Similarly, activities within the economic system can have a major impact on the political system. ► negative· While this has not affected sales, it has had a negative impact on profits, Sage noted.· From the 502 emissions standpoint the conversion to coal can have a positive or negative environmental impact.· The failure of the Fouchet Plan did have one negative impact.· This often forced removal has severe and long term negative social impacts including social stress.· The telecoms sector had the biggest negative impact on the market.· This changing scene has both positive and negative impacts on the technology transfer process.· Lengthening sales cycles, project deferrals and their negative impact on utilisation rates could see downward pressure on margins. ► positive· Community organizing indirectly produces positive health impacts, through strengthening social networks, community participation, psychological empowerment, and community competence.· Most managers work in government, after all, not to enrich themselves but to have some positive impact on their community.· A United Nations report showed that foreign investment can have a positive impact on the poor only if it is regulated.· Finally, the research on feedback suggested that it had a positive impact on performance because it was instructional.· Order, cleanliness, and fresh, well mounted pictures and pieces of writing have a positive impact.· My college nutrition textbook devoted an entire chapter to the positive impact of starches on early development, potatoes main among them.· I like having a positive impact on people, an impact on their salaries and career opportunities.· This changing scene has both positive and negative impacts on the technology transfer process. ► potential· So much has been written about this single epic without any clear view of the potential impact emerging.· They understand all too well the potential impact of huge cuts in health care programs.· Probably the area of maximum potential impact is in taxonomic computing.· Making this decision requires an analysis of the potential impact of credit policy terms on sales and profits.· The second limiting factor was less immediate, but of greater potential impact.· Finally, there is an assessment of potential impacts, on the political world, of the revolution in communication technologies.· The restrictions on trading are designed to limit the potential impact of the options market on the stock market.· This gives an indication of the potential impact of this type of instructional material. ► profound· Neurophysiology and genetic research will, without doubt, have profound social impacts.· Being part of a group of superb people has a profound impact on every member.· Population growth has and will have a profound impact upon world food demand.· In any case, the work of insiders advocating social change is invaluable and has a profound impact. ► real· In every year there were one or two very special films which made a real impact outside the regular film audience.· The risk is that we carry on drifting downwards because there is no real impact on those expectations.· The real impact of the Budget will, however, take effect next year.· However, their real impact should not be over-estimated.· It is difficult to find out whether or not the statute had any real impact.· That feminism as a movement has lost any real impact in popular culture?· He said Western leaders could have a real impact on Putin.· Furthermore it is in local communities that the real impacts of free-trade policies are felt most acutely. ► significant· Comte's work had a significant impact in Britain.· Despite this sort of carping, my Today Show appearance had a significant impact.· Their decisions are binding on industrial tribunals and have had a significant impact on managerial practices by major employers.· Furthermore, we neutralize our ability to have nay significant impact in the struggle.· However, the most significant impact of the resident tutor model was seen in Essex and, especially, in Norfolk.· Unlike relativity theory, quantum theory is beginning to have a really significant impact on technology.· The Ford talks are expected to have a significant impact on pay talks throughout manufacturing industry in the next six months.· But she said Apple did not expect the repair program to have a significant financial impact on the company. ► social· As yet there has been little research considering early retirement among women and its social meaning and impact.· The economic and social impact of the Blizzard of 1996· This project will examine the social impact of these changes on the structure and standards of the people.· Their contributions were not limited to accomplishments in sporting arenas, but also had important social and economic impact.· The Intimate Machine raises many issues concerning the social impact of computers in an invigorating and highly readable manner.· Despite its nonbinding nature, expectations were high that the bill of rights would have a strong political and social impact.· After three months of retraining, good responders were questioned about the social impact of the treatment.· This often forced removal has severe and long term negative social impacts including social stress. NOUN► assessment· I want to consider whether the way in which environmental impact assessments are drawn up at the moment is satisfactory.· The hon. Gentleman also mentioned the environmental impact assessment.· Why did the right hon. Gentleman not decide to have a higher grade environmental impact assessment?· Enviroscope specialises in scoping environmental impact assessments and environmental audits and assisting companies with environmental communications and policy.· As a consultant specialising in environmental impact assessments and environmental audits I feel that this criticism is rather unfair.· Nearly half its projects had a full or partial environmental impact assessment carried out prior to funding. VERB► assess· Have steps been taken to assess the impact of building programmes and medical staff absence on patient activities?· Finally, it assesses the impact of party government in Britain in the light of the Thatcher record.· Consider a range of development options and assess their viability and impact.· Furthermore, assess the impact of their cash-flow practices on your own relationship with customers and suppliers alike.· It will assess the environmental impact of new and existing development projects and carry out research and consultancy.· In the early 1980s, Dale Spender edited a collection of essays assessing the impact of feminism on the academic disciplines.· Its aim was to examine scientific evidence on climate change, assess environmental and socio-economic impacts and formulate realistic response strategies.· It is easier to assess the impact of specific advertising campaigns on sales in specific product areas. 18. ► consider· Last week Venice hosted an international meeting of Cities On Water, to consider the impacts of possible sea-level rise.· Vernadsky tallied up the billions of organisms on Earth and considered their collective impact upon the material resources of the planet.· If you doubt this admittedly bold assertion, consider the impact of the company's decision to cease publishing mainframe prices.· But for most, everything changes, including the chemistry between the parents. Consider the simplest physical impact: sleep deprivation.· Secondly, we need to consider the consequent impact on finance departments.· It is relatively straight forward to consider the impact of any form of central government grant.· The project will also consider the impact of student employment on the pattern of study and level of academic attainment.· I ask the Minister to consider what impact that has on innocent people and their families. ► examine· This exhibition examines his impact not only on the visual arts but also on literature and science.· Later, I will examine the impact of terrain, in its military definition, on operations.· This project will examine the social impact of these changes on the structure and standards of the people.· The study will also evaluate the assessment procedures in use and examine their impact on children and on the school more generally.· It is more appropriate to examine the impact of aid programmes and projects in aggregate on a particular country.· This study deliberately examined the impact of the projects under normal classroom conditions.· This examines the impact of deregulation and advances in technology on the operations of financial firms. ► feel· She ran to the desk, bumping against a large armchair, not feeling the impact.· And Wall Street has already felt the impact.· Glass tinkled; she felt the impact afterward, the firm, cool glass, breaking through.· The answer must wait until the country feels the impact of reforms announced last week.· Investment managers such as Boston-based Wellington Management Co. will feel the impact.· You should feel in control through impact and beyond.· Even renters feel the impact whenever their landlord sells the property. ► lessen· He made the decision to lessen the angle of impact by closing the throttle, applying hard up elevator and full right rudder. ► make· O'Leary and Deane both made very significant impacts.· But it is here that ecological education could make an impact.· They will provide pockets of interest early in the year before the herbaceous plants make an impact.· The group, which meets monthly, already has made an impact.· Coach Gary Reid is confident they can make an impact.· This is what makes the most immediate impact on the hearer and arouses his empathy.· In every year there were one or two very special films which made a real impact outside the regular film audience.· This made a great impact on the ten-year-old youth of noble lineage. ► reduce· Such areas were set up to reduce the impact of damaging agricultural practices on vulnerable ecosystems.· This may be an effort to reduce the impact of whatever case Starr does bring or to intimidate him against bringing one.· Or we could leave it up to the electricity generators to reduce the impact, at the expense of higher bills.· The meeting comes on a day when the roads minister announced improvements to reduce noise impact.· The route of the new road passes inland of the theme park in a deep cutting to reduce noise and visual impact.· It may set standards for performance and efficiency of energy use, in part to reduce environmental impacts of electricity.· Health programmes, on the other hand, are concerned, in the main, with reducing the impact of ill-health on individuals.· Also, the spread of investments will reduce the impact of individual companies' corporate insolvencies. ► soften· The latter news softens the impact of the former up to a point.· The leader acts with greater sensitivity to soften the impact of downward power.· He argued that £2.3 billion is needed to soften the impact of the new tax next Spring.· Deaver began suggesting ways to soften the impact by adding new events to the itinerary that might placate the opposition.· The extra cash, however, will only partly soften the impact of the introduction of the poll tax next year. PHRASES FROM THE ENTRY► on impact 1[countable] the effect or influence that an event, situation etc has on someone or somethingimpact on/upon We need to assess the impact on climate change.major/significant/profound etc impact Higher mortgage rates have already had a major impact on spending.impact of an international meeting to consider the environmental impacts of global warming ► Don’t say ‘cause an impact’ on something. Say have an impact on something.► see thesaurus at effect2[countable, uncountable] the force of one object hitting another: The force of the impact knocked the breath out of her.3on impact at the moment when one thing hits another: The plane’s wing was damaged on impact.COLLOCATIONSadjectivesbig/great· Winning this competition could have a big impact on my life.· His impact was greater than that of the Beatles.huge/enormous/massive· Industry has a huge impact on the environment we live in.· The impact has been enormous on people’s daily lives.small· New technologies have only had a small impact on the overall level of employment.minimal/negligible (=very small and not important)· The change in government had a minimal impact in the rural areas of the country.positive (=having a good effect)· Cuts in federal spending should have a positive impact on America’s economic future.negative/damaging (=having a bad effect)· The expansion of the airport would have a negative impact on the environment.disastrous (=a very bad effect)· His leg injury had a disastrous impact on his career as a footballer.a major/significant impact (=important)· The war had a major impact on French domestic politics.a profound impact (=very important)· Population growth has a profound impact on world food demand.an adverse impact formal (=a bad effect)· The loss of forests has had an adverse impact on bird populations.a real impact informal (=a big impact)· The film made a real impact on cinema audiences.a lasting impact (=one that lasts for a long time)· The arrival of the railways made a lasting impact on many sectors of the economy.a long-term impact· Scientists are calculating the long-term impact of the floods.a short-term/immediate impact· A military attack may only have a short-term impact on terrorist activity.an emotional/psychological impact· Their mother’s death had a huge emotional impact on the children.an economic impact· It is difficult to measure the economic impact of the war.an environmental impact· The environmental impact of the construction project is being investigated.the full impact of something· South Wales felt the full impact of the recession.the potential/likely impact· He’s studying the potential impact of climate change.verbshave an impact· New technology has had a massive impact on our lives.make an impact· The product quickly made an impact on the market.feel the impact of something· The industry has felt the impact of rising fuel prices.reduce/lessen/soften the impact of something (=make it less severe or unpleasant)· The chemical industry is looking at ways to reduce its impact on the environment.lose impact (=have less effect)· The picture loses impact when it is reduced in size.
impact1 nounimpact2 verb impactim‧pact2 /ɪmˈpækt/ AWL verb [intransitive, transitive] especially American English Verb TableVERB TABLE impact
EXAMPLES FROM OTHER DICTIONARIES Thesaurus
Longman Language Activatorto have an effect on someone or something► have an effect Collocations to make someone or something change in some way, for example by making them better or worse: · For some patients, the treatment has an immediate effect.have an effect on: · What you eat when you are pregnant can have an effect on your baby.· No one knows yet what effects genetically modified foods will have on the environment.have little/no effect: · The government's policies have so far had little effect in reducing the level of inflation. ► have an impact if an event, invention, or new idea has an impact on something, it affects it in important ways and causes big changes: · The new management team has clearly had an impact.have an impact on: · It is unlikely that the storms will have much impact on this year's harvest.· the impact of the Internet on all our liveshave a great/enormous/major etc impact: · Einstein's work on relativity had an enormous impact on the way physics developed.have little/no impact: · At first, the revolution had little impact on the lives of ordinary people. ► affect to produce a change, for example in the way that something develops or in someone's situation: · The new tax law doesn't affect me because I'm a student.· Scientists are investigating the ways in which climate changes affect the ozone layer. ► take effect if something takes effect , especially a medicine or drug, or a new plan or system, it starts to have an effect: · It will be a while before the government's new economic policy takes effect.· The dentist gave me an injection that took effect almost immediately, and I didn't feel a thing. ► make a difference to have a noticeable effect on a situation: · If everybody helps a little, it really makes a difference.· You can call and complain, but I don't think it will make any difference.make a big difference: · Just getting a new hairstyle and new outfit made a big difference to my confidence. ► impact to affect something such as sales or profits - used especially in business and journalism: · How is the growth of e-commerce likely to impact the retail sector?impact on: · Child care is an issue that impacts on a broad cross-section of working women. COLLOCATIONS FROM OTHER ENTRIES► assess the impact/extent/effectiveness etc of something to have an important or noticeable effect on someone or somethingimpact on/upon The Food Safety Act will progressively impact on the way food businesses operate. a report to assess the impact of advertising on children ► cushion the blow/impact (of something) generous leaving allowances to help cushion the blow of redundancy ► a devastating effect/impact· The recession has had a devastating impact on employment in this area. ► a direct effect/impact· Our organization’s work has a direct impact upon children’s lives in this country. ► a dramatic effect/impact· An accident can have a dramatic effect on your family’s finances. ► the effect/impact on the environment· The building’s design will minimize its impact on the environment. ► the environmental impact· Don’t underestimate the environmental impact logging has on the rainforest. ► exaggerate the impact (of something) (=say the effect or influence of something is worse than it really is)· We believe the Chancellor is exaggerating the impact these proposals will have. ► far-reaching implications/impact/effects Tourism has had far-reaching effects on the island’s culture. ► lessen the impact/effect/importance (of something) The new project will lessen the effects of car pollution. ► the likely impact (=the likely effect or influence of something)· What is the likely impact of the new factory on the local environment? ► a positive effect/impact· Exercise has a positive effect on health. ► profound effect/influence/impact/consequence etc Tolstoy’s experiences of war had a profound effect on his work. The mother’s behaviour has a profound impact on the developing child. ► soften the blow/impact The impact of the tax was softened by large tax-free allowances. |
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