From Longman Dictionary of Contemporary Englishreductionre‧duc‧tion /rɪˈdʌkʃən/ ●●● S3 W2 noun [countable, uncountable]REDUCE a decrease in the size, price, or amount of something, or the act of decreasing something OPP increase strategies for noise reductionreduction in a slight reduction in the price of oilreduction of the reduction of interest ratesreduction on substantial reductions on children’s clothes The company promised they would make no staff reductions for at least two years.COLLOCATIONSADJECTIVES/NOUN + reductiona big/large reductionYou may have to take a big reduction in salary.a substantial/considerable reduction (=large enough to have an effect or be important)Farmers have suffered a substantial reduction in income.a significant reduction (=large and noticeable)There has been a significant reduction in traffic since the bypass was built.a massive reduction (=very large)There is no reason why the new technology should mean a massive reduction in employment.a dramatic/drastic reduction (=surprisingly large)The most immediate effect of retirement is a dramatic reduction in living standards.a sharp reduction (=large and quick)High interest rates brought about a sharp reduction in sales.a gradual reductionThe markets are hoping for a gradual reduction in interest rates.a marked reduction (=very easy to notice)There has been a marked reduction in arrests since the ban on alcohol at stadiums.a 10%/40% etc reductionThe 30 mph speed limit led to a 50 percent reduction in pedestrian deaths.a price reductionRetailers may introduce price reductions to attract custom away from their competitors.arms reductionThey held talks about further arms reductions.verbsmake a reductionSignificant reductions are being made in the defense budget.reduction + NOUNa reduction plan/programme/schemeThe terms of the treaty call for a three-phase troop reduction programme. reduction targetsThe agreement set strict reduction targets for carbon emissions.
Examples from the Corpus
reduction• Prosecutors are now discussing a reduction of the charges against Lundwall to a misdemeanor for his cooperation.• We offer a reduction for groups of 10 or more.• Cleaner fuel has contributed to a reduction in air pollution.• a reduction in working hours• The U.S. has agreed to an arms reduction proposal.• There has been a big reduction in the number of issues the president addresses in any given week.• Despite considerable reductions in pollution into the estuaries such as the Tees, Northumbrian region did not achieve the expected upgrade.• New production methods led to a cost reduction of about 50 percent.• Managers charge a fee and a cut of any debt reduction.• And now the Thatcher government threatens further reductions.• But industry analysts assert that the proposed merger, announced Monday, could produce significant job reductions.• Several holiday firms are offering huge price reductions on winter holidays.• As the formula clearly involved some reduction in wages, this was much more than a formality.• There were reductions of up to 50% in some stores.reduction in• Consumers will benefit from the reduction in gasoline prices.From Longman Business Dictionaryreductionre‧duc‧tion /rɪˈdʌkʃən/ nounFINANCE1[countable, uncountable] when prices, costs etc become lower or are made lowerOur winter sale includes many price reductions.We can make a reduction (=sell something more cheaply) if you buy in bulk.reduction ina 1% reduction in interest ratesthe reduction in VAT from 22% to 18.6%2[countable] the amount by which something is reduced in pricea reduction of 40%They are selling their computers at a huge reduction. 