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power

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1power/ˈpawɚ/noun
pluralpowers
1power
/ˈpawɚ/
noun
pluralpowers
Learner's definition of POWER  
[noncount]  : the ability or right to control people or things — often + over
[noncount]  : political control of a country or area
— see also black power, flower power
[count] 
: a person or organization that has a lot of control and influence over other people or organizations
   b  : a country that has a lot of influence and military strength
[noncount] 
: physical force or strength — often + of
   b  : military force
   c  : the energy or force that someone or something can produce for movement, work, etc.
: an ability to do something
[count]
— often + of
[noncount]
   b  [noncount]  : the ability to influence or affect people or things — often + of
: the right to do something : legal or official authority to do something
[count]
[noncount]
— see also power of attorney
[noncount] 
: energy that can be collected and used to operate machines
— see also horsepower, manpower
   b  : the electricity that people use
mathematics [count] 
: the number of times that a number is to be multiplied by itself
   b  : a number that results from multiplying a number by itself
[noncount]technical  : the ability of an optical device (such as a telescope) to make objects look bigger

do (someone) a power of good

British, informal + old-fashioned
: to help someone physically or mentally : to make someone feel better

more power to you

(US)informalor Britishmore power to your elbow
— used to say that you approve of what someone is doing and hope it will be successful

the corridors/halls of power

: places where people talk about issues and make important decisions especially about political matters

the power behind the throne

: the person who secretly controls a country, organization, etc., by controlling the actions and decisions of the official leader

the powers that be

: the people who decide what is allowed or acceptable in a group, organization, etc.
powerauthorityjurisdictioncommand,  and dominion mean the right or ability to govern, rule, or strongly influence people or situations.
power is a general word that suggests the ability to control or influence what is done, felt, etc.
authority suggests power that has been given to someone for a specific purpose and that has certain limits.
jurisdiction refers to official, legal power that has certain limits.
command refers to the power that someone (such as a military officer) has to make decisions and to force people to behave in a desired way.
dominion is a formal word that stresses the greatest or highest power or authority.
2power/ˈpawɚ/verb
powerspoweredpowering
2power
/ˈpawɚ/
verb
powerspoweredpowering
Learner's definition of POWER  
[+ object]  : to supply (something) with power — usually used as (be) powered
— see also powered
always followed by an adverb or preposition  : to move with great speed or force
[no object]
— often used figuratively
[+ object]

power up

[phrasal verb]
power up (something) or power (something) up 
: to make (a machine) ready for use by supplying it with electricity
3power/ˈpawɚ/adjective
3power
/ˈpawɚ/
adjective
Learner's definition of POWER  
always used before a noun
: of or relating to electrical power
: operated by using electricity rather than a person's strength
: having great strength or power
: involving important people who meet to discuss business or political affairs
   b  of clothing  : having a formal or impressive quality that is meant to make you look powerful and important
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