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TOEFL IELTS BNC: 666 COCA: 729

factor

Word family 
Related topics: Measurement, Numbers
fac·tor1 /ˈfæktə $ -ər/ ●●● S3 W1 AWL noun [countableC]  
1  cause/influence 原因/影响CAUSE one of several things that influence or cause a situation 因素，要素
 The rise in crime is mainly due to social and economic factors.
犯罪率上升主要由社会和经济因素造成。
factor in
 The vaccination program has been a major factor in the improvement of health standards.
接种疫苗计划是健康水平得以提高的一个主要因素。
important/major/key/crucial factor
 The weather could be a crucial factor in tomorrow’s game.
天气情况会是影响明天比赛的一个关键因素。
deciding/decisive/determining factor (=the most important factor) 决定性因素
 We liked both houses, but price was the deciding factor.
这两幢房子我们都喜欢，但价格才是决定性因素。
2  level on a scale 等级TM a particular level on a scale that measures how strong or effective something is 系数
 factor 15 suntan oil
防晒系数为15的防晒油
 Even in July the wind chill factor (=the degree to which the air feels colder because of the wind) can be intense.
甚至在七月份风寒指数也会很高。
3. by a factor of five/ten etc HMNCOUNT/CALCULATEif something increases or decreases by a factor of five, ten etc, it increases or decreases by five times, ten times etc 〔增加或减少〕五倍/十倍等
Examples from the Corpus
by a factor of five/ten etc• Other watches of the time sped up or slowed down by a factor of ten seconds for every one-degree change in temperature.• So look at your friends, see what they are a little vain about and then multiply by a factor of ten.
4  mathematics 数学 technicalHMN a number that divides into another number exactly 因子，因数
 3 is a factor of 15.
3是15的因子。
n COLLOCATIONS
ADJECTIVES/NOUN + factor
an important factor
Human influence has been an important factor as regards climate change.
a major/minor factor (=the most or least important of several factors)
The country’s huge mineral reserves are a major factor behind its economic strength.
a key/crucial factor (=a very important factor)
A key factor in a company’s success is knowing its customers.
the deciding factor (=the reason for making a particular choice)
The closeness of the river was probably the deciding factor when the site was chosen.
the decisive/determining factor (=the one that has the biggest effect)
The support of middle-income voters was the decisive factor in the election.
a contributing factor (=one that helps to make something happen)
Stress is a contributing factor in many illnesses.
economic factors
Economic factors limit our options.
environmental factors
Various environmental factors affect the growth of grapes.
social factors
Social factors have played their part in the decline in family sizes.
a risk factor (=something that makes you more likely to have an illness)
The highest risk factor for coronary heart disease was found to be smoking.
verbs
depend on certain factors
Success depends on certain factors.
factors influence something
Various factors influenced the government’s decision.
factors determine something
The final cost of the product was determined by a combination of factors.
factors are responsible for something
These underlying factors were responsible for his death.
phrases
a combination/variety/number of factors
A combination of factors led to the closure of the factory.
take certain factors into account (=to consider factors when making a decision)
You should take all these factors into account.
Examples from the Corpus
factor• After reactor performance improvements of approximately a factor of one trillion, the break-even point is now in sight.• His girlfriend lives in London and I'm sure that was a factor in his decision to move there.• Nevertheless, when all factors have been assessed, there still remain effects which can not be explained in orthodox terms.• Race should never be a deciding factor in a hiring decision.• There is also a new enforcement factor at work, which is the emergence of global markets attuned to fiscal responsibility.• The proposition linking external factors to workshop behaviour rested on the first three studies.• The most important factor in professional sport is psychology.• Money will be the key factor when we decide to buy a new house.• This load depends on factors such as where the connection is in the building.• The issue of abortion rights is obviously not the only factor affecting the female vote.• Doctors recommend putting factor 30 sun lotion on children.• The price of insurance depends on several factors, including the age of the car.• Traders said several factors contributed to Nasdaq's weakness.• Several factors influence the distribution of potassium between body comPartments.• His formal education was a less significant factor in his upbringing than practical experience.• The holist is enlightened by an account of the factors constraining people's actions.• They omitted from their calculations two factors which were to make a nonsense of their plans.• There are one or two factors we haven't considered yet.
factor in• The weather could be a factor in tomorrow's game.
wind chill factor• Even in July the windchill factor can be intense.• Week after week, the temperature fell to bottomless depths; in the Dakotas, the windchill factor approached a hundred below.
Related topics: Numbers, Statistics
factor2 AWL verb [transitiveT] American EnglishAmE technical  
1.HMNto divide a number into factors 将…分解为因子，把…化为因数
2.factor something ↔ in (also factor something into something) phrasal verbphr v technical COUNT/CALCULATEto include a particular thing in your calculations about how long something will take, how much it will cost etc 将…计入；把…考虑在内
Examples from the Corpus
factor in• However subsequent research has shown that both negatives and passives are used in response to the presence of particular pragmatic factors.• Mrs Thatcher's unwilling departure was the result of a combination of factors.• There are always human factors at play in any relationship.• A sample of these present-value factors is presented in Exhibit 11. 3.• But ceremonial and precedence none the less remained until well into the eighteenth century a factor of importance in international relations.• The combination of climatic factors results in late flowering of many species in relation to their counterparts elsewhere.• The laws hold only as long as no other factors enter in, which might modify them in particular cases.
3.factor something ↔ out phrasal verbphr v technical to not include something in your calculations about how long something will take, how much it will cost etc 不将…计入；不把…考虑在内
Examples from the Corpus
factor out• There are a number of important factors to look out for.• Three factors stand out in explaining this harmonious relationship.• Among the factors that stand out in the Orphic construal of a cosmos is the nature of time.• As the factor came out, it shut behind him and they heard the bars and chains go on.• If any one common factor did stand out it was her tendency to play parts older than herself.• There were a number of factors for pulling out of Los Angeles.• It is important to examine each possible limiting factor by spelling out the issue of feasibility.
Examples from the Corpus
factor• The fact that millionaires can do all sorts of things that we can't never seems to factor into the equation.• Once the policy of factoring is established, the factor will dictate credit terms.• This would allow investors to factor out inflation before calculating how much money they made on the sale of a particular asset.• It was just 6% of total world factoring volumes in 1991, according to Factors Chain International.
From Longman Business Dictionary
factorfac·tor1 /ˈfæktə-ər/ noun
1[countableC] one of many things that influence or affect a situation
The council will take a number of factors into account when making its decision.
The law should not be concerned solely with economic factors.
→ adjustment factor → critical success factor → hygiene factor → load factor → motivator factor → weighting factor
2the deciding/decisive/determining factor the most important thing that affects a decision
The chancellor’s achievements on exchange and interest rates could be the deciding factor in the election.
The size of the firm is likely to be the determining factor as to whether decisions should be unanimous or taken by majority vote.
3the feelgood factor journalism when people have positive feelings about the economy and their own financial situation, and the way that this influences the popularity of the government
An opinion poll of voters showed a big drop in the feelgood factor.
4[countableC] (also invoice factor)FINANCE a financial institution that pays a business the money that suppliers owe it immediately, in return for a small percentage. The business benefits by getting the money immediately, improving its CASH FLOW. Factoring is a form of finance that can be cheaper than bank loans or OVERDRAFTs
New technology used by modern factors shows what cheques have been paid in and whether there are disputed invoices.
a member of the Association of Invoice Factors
5[countableC]STATISTICS one of two or more numbers which divide into another number exactly. For example, 5 and 7 are factors of 35
6by a factor of five/ten etcSTATISTICS if an amount increases or decreases by a factor of five, ten etc, it increases or decreases by five times, ten times etc
A computer system can speed up administration by a factor of about 4.
factorfactor2 verb [transitiveT]
FINANCE to buy debts that are owed to another company for less than the debts are worth, and then obtain payment directly from those who owe these debts
Some companies prefer not to disclose cashflow details, making it impossible to know how much merchandise in stores is factored.
→ factor something → in/into/out
Origin factor1
(1400-1500) French facteur, from Latin factor “doer, maker”, from facere “to do, make”
fac·tor1 noun →n COLLOCATIONS1factor2 verb
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