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power  (powers plural & 3rd person present) (powering present participle) (powered past tense & past participle )
1  n-uncount If someone has power, they have a lot of control over people and activities. 
In a democracy, power must be divided., ...a political power struggle between the Liberals and National Party.  
2  n-uncount Your power to  do something is your ability to do it. 
usu N to-inf, N of n 
Human societies have the power to solve the problems confronting them..., He was so drunk that he had lost the power of speech.  
3  n-uncount If it is in or within your power to  do something, you are able to do it or you have the resources to deal with it. 
poss N 
Your debt situation is only temporary, and it is within your power to resolve it...  
4  n-uncount If someone in authority has the power to do something, they have the legal right to do it. 
also N in pl, oft the N to-inf 
The police have the power of arrest...  
5  n-uncount If people take power or come to power, they take charge of a country's affairs. If a group of people are in power, they are in charge of a country's affairs. 
oft in N 
In 1964 Labour came into power..., He first assumed power in 1970..., The party has been in power since independence in 1964.  
6  n-count You can use power to refer to a country that is very rich or important, or has strong military forces. 
usu supp N 
In Western eyes, Iraq is a major power in an area of great strategic importance.  
7  n-uncount The power of something is the ability that it has to move or affect things. 
usu supp N 
The Roadrunner had better power, better tyres, and better brakes., ...massive computing power.  
8  n-uncount Power is energy, especially electricity, that is obtained in large quantities from a fuel source and used to operate lights, heating, and machinery. 
Nuclear power is cleaner than coal..., Power has been restored to most parts that were hit last night by high winds...  
9  verb The device or fuel that powers a machine provides the energy that the machine needs in order to work. 
The `flywheel' battery, it is said, could power an electric car for 600 miles on a single charge...  V n 
♦  -powered    comb in adj 
...battery-powered radios., ...nuclear-powered submarines.  
 →  high-powered 
10  adj Power tools are operated by electricity. 
ADJ n  (Antonym: hand)  ...large power tools, such as chainsaws., ...a power drill.  
11  n-sing In mathematics, power is used in expressions such as 2 to the power of 4 or 2 to the 4th power to indicate that 2 must be multiplied by itself 4 times. This is written in numbers as 2<superscript>4, or 2 x 2 x 2 x 2, which equals 16. 
to the N of num, to the ord N 
12 You can refer to people in authority as the powers that be, especially when you want to say that you disagree with them or do not understand what they say or do. 
♦ the powers that be  phrase 
The powers that be, in this case the independent Television Association, banned the advertisement altogether...  power ahead  phrasal verb If an economy or company powers ahead, it becomes stronger and more successful. 
The most widely held view is the market will continue to power ahead...  V P 
It all leaves the way clear for Tesco to power ahead.  V P power up  phrasal verb When you power up something such as a computer or a machine, you connect it to a power supply and switch it on.  (=switch on) 
Simply power up your laptop and continue work.  V P n, Also V n P 



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