quadruple1 verbquadruple2 adjective, predeterminer
quadruplequad‧ru‧ple1 /ˈkwɒdrʊpəl, kwɒˈdruː- $ kwɑːˈdruː-/ verb [intransitive, transitive] 
Verb TableVERB TABLE
quadruple
| Simple Form | ||
| Present | I, you, we, they | quadruple |
| he, she, it | quadruples | |
| Past | I, you, he, she, it, we, they | quadrupled |
| Present perfect | I, you, we, they | have quadrupled |
| he, she, it | has quadrupled | |
| Past perfect | I, you, he, she, it, we, they | had quadrupled |
| Future | I, you, he, she, it, we, they | will quadruple |
| Future perfect | I, you, he, she, it, we, they | will have quadrupled |
| Continuous Form | ||
| Present | I | am quadrupling |
| he, she, it | is quadrupling | |
| you, we, they | are quadrupling | |
| Past | I, he, she, it | was quadrupling |
| you, we, they | were quadrupling | |
| Present perfect | I, you, we, they | have been quadrupling |
| he, she, it | has been quadrupling | |
| Past perfect | I, you, he, she, it, we, they | had been quadrupling |
| Future | I, you, he, she, it, we, they | will be quadrupling |
| Future perfect | I, you, he, she, it, we, they | will have been quadrupling |
EXAMPLES FROM OTHER DICTIONARIES
Thesaurus- By the end of 1973, the price of oil had quadrupled to $11.65 a gallon.
- In ten years, homicide rates tripled and suicide rates quadrupled.
- After three weeks, the youngster has tripled or even quadrupled its weight.
- Between 1949 and 1950, he quadrupled the number of regular Vietminh battalions to one hundred and seventeen.
- By quadrupling the number of visitors, our foreign exchange would be enhanced by nearly £20,000 million.
- Cleverly used it will double, treble, even quadruple the size.
- For example, transfers almost quadrupled the incomes of the poorest fifth of the income receivers.
- For families with children under age 5, the poverty rate quadrupled during the 1980s.
- From humble beginnings sales have quadrupled and are set for further high growth in the next three years.
- This is why its share price has nearly quadrupled since it went public in March 1989.
Longman Language Activatorto make a number or amount increase► increase
to increase and become four times as big or as high, or to make something increase in this way → double, triple: · High alcohol consumption increases the risk of liver disease. · The Clean Air Act would increase the cost of electric power in the Midwest.· The party aims to increase the number of women elected to Congress.· We reduced the size of the magazine because we didn't want to increase the price.increase something to · The company has increased its workforce to 1,500 employeesincrease something by 20%/$400/1 million etc · a program to increase output by 14%
► raise if someone raises raises a tax, price, temperature etc, they increase it: · The president should take the necessary steps of raising taxes and cutting public spending.· All the major airlines have raised their fares.raise something to $300/40C/200 etc: · The retirement age has been raised to 65 for both men and women.
► put up informal if someone puts up the cost or price of something, they increase it: put up something: · They've put up the price of petrol again.put something up: · A solicitor can advise whether the landlord has a right to put the rent up.· This used to be quite a cheap restaurant but they've put their prices up since the last time I came here.
► jack up informal to increase prices or amounts by a large amount, especially when this seems unreasonable: jack something up: · I guess they must jack the price up in the summer, then mark it down in the winter. jack up something: · a proposal that would have jacked up taxi fares by as much as 30%
► push up/drive up/force up to make something increase - use this about things you would prefer to keep low, such as costs and prices: push/drive/force up something: · An expansion of the weapons research program is sure to drive up defence costs.· In recent years, increased demand has forced up the price of copper on world markets.push/force/drive something up: · Office vacancy rates have reached a low, pushing rents up sharply for office and industrial space.
► boost to increase something such as production, sales, or wages because they are not as high as you want them to be: · The plan was meant to boost agricultural production.· The multi-million dollar ad campaign has failed to boost sales.· Greater consumer access to the Internet has boosted electronic retailing.
► double/triple/quadruple to increase a number or amount by two, three, or four times: · The company has quadrupled Sonia's salary in just three years in recognition of her achievements.· The government doubled the sales tax on cigarettes from 20% to 40%.
► maximize also maximise British to make something such as profit, power, or productivity increase to the highest level that you can achieve: · The bank's function is to maximize profits, and that requires some risk-taking.· To maximise power output, solar panels are placed on the highest part of the building.
to increase a lot► multiply to increase greatly in number: · Since they started borrowing money, their problems have multiplied.· The number of settlements multiplied enormously.· The insects multiply rapidly during hot, dry summers.
► double to become twice as much or twice as many: · Welfare spending will nearly double by the year 2002.double to: · The number of female bank managers doubled from 104 to 208.double in size/value: · In those thirty years, San Francisco doubled in size.
► triple also treble British to become three times as much or three times as many: · The number of senior citizens living in poverty has trebled in the last three years. · The party's majority in Congress tripled as a result of the election.triple in size/value: · The shares have trebled in value since trading resumed on Wednesday.
► quadruple to become four times as much or four times as many: · In ten years, homicide rates tripled and suicide rates quadrupled.quadruple to: · By the end of 1973, the price of oil had quadrupled to $11.65 a gallon.
► proliferate formal if something proliferates , it increases very quickly, and becomes more common: · The HIV virus is able to proliferate at an astonishing rate.· Child pornography is proliferating due to the increased use of computer chat rooms.
► snowball to increase in number, at first slowly and then faster and faster: · Unemployment snowballed at the beginning of the 1980s.· Things hadn't exactly been going our way, but after the first defeat, everything sort of snowballed.
Food prices quadrupled during the war. The company has quadrupled its profits in just three years.quadruple1 verbquadruple2 adjective, predeterminer
quadruplequadruple2 adjective, predeterminer word setsWORD SETS► Numbers
1four times as big or as many → double, triple: add, verbaddition, nounArabic numeral, nounarithmetic progression, nounbi-, prefixbillion, numbercalculate, verbcalculation, nouncardinal, nouncardinal number, nouncoefficient, nouncommon denominator, nounconstant, nouncube, verbcube root, nounD, noundecimal, noundecimal, adjectivedecimal point, noundemi-, prefixdenominator, noundigit, noundivide, verbdividend, noundivisible, adjectivedivision, noundivisor, noundouble-digit, adjectivedouble figures, nouneight, numbereighteen, numbereighth, adjectiveeighty, numbereleven, numberequal, adjectiveequal, verbequals sign, nouneven, adjectiveexponent, nounfactor, nounfactor, verbfactorial, nounfifteen, numberfifth, nounfifty, numberfig., figure, nounfive, numberforty, numberfour, numberfourteen, numberfourth, nounfraction, noungeometric progression, noungross, nounHCF, hundred, numberimproper fraction, nounindivisible, adjectiveinfinity, nouninteger, nounL, nounlogarithm, nounlowest common denominator, nounM, nounmedian, nounmedian, adjectivemillion, numbermultiple, nounmultiplication, nounmultiplication sign, nounmultiplication table, noun-nd, suffixnegative, adjectivenine, numbernineteen, numberninety, numberninth, adjectiveNo., nos., nothing, pronounnought, numbernumber, nounnumeral, nounnumerator, nounnumerical, adjectiveO, nounoblique, nounone, numberordinal number, nounpi, nounplot, verbplus, prepositionpoint, nounpositive, adjectiveprime number, nounproduct, nounproper fraction, nounproportion, nounquadr-, prefixquadrillion, numberquadruple, adjectivequotient, noun-rd, suffixroman numeral, nounroot, nounround, adjectivescore, numbersecond, numberserial number, nounset, nounsingle figures, nounsix, numbersixteen, numbersixty, numbersquare, nounsquare, verbsquared, adjectivesquare root, noun-st, suffixsubtract, verbsum, nountake, verbten, numbertenth, adjectivetertiary, adjectivetetra-, prefixthirteen, numberthirty, numberthousand, numberthree, numberthree-quarter, adjectivethreescore, numbertreble, determinertri-, prefixtrillion, numbertwelve, numbertwenty, numbertwice, adverbunit, nounV, nounvulgar fraction, nounwhole number, nounX, nounzero, number
The subjects were given quadruple the normal dosage of the drug.2involving four things of the same kind: a quadruple murder