power Definition in the Cambridge English Dictionary
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Definition of “power” - English Dictionary

Definition of "power" - American English Dictionary

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powernoun

 us   /ˈpɑʊ·ər/

power noun (CONTROL)

[U] the ​ability or ​right to ​controlpeople and ​events, or to ​influence the way ​peopleact or ​think in ​importantways: The ​electionresultsshowed that the Democrats had ​lost power, with Republicans taking over five more ​Democraticseats.

power noun (PERSON WHO CONTROLS)

[C] someone or something, such as an ​organization or ​country, that has ​control over ​others, often because of ​authority, ​importance, or ​wealth: She is a power in the ​field of ​medicaleducation.

power noun (NATURAL ABILITY)

[C/U] a ​naturalskill or ​ability to do something: [U] She was so ​shocked that for a ​moment she ​lost the power of ​speech. [C] The ​doctor did everything in her power to ​save him. [C] More, though, it is an ​expression of the artist's power to ​create.

power noun (STRENGTH)

[U] physicalstrength or ​force: He’s a good ​baseballplayer – he ​hits with a lot of power.

power noun (ENERGY)

[U] the ​ability to ​produceenergy, or the ​energyproduced: electrical/​nuclear/​solar power physics [U] Power is also the ​rate at which ​work is done or at which ​energy is ​produced, ​measured in watts . [U] Power is also ​electricity: Whenever there’s a ​storm in these ​parts, you can ​expect a power outage (= a ​loss of ​electrical power).

power noun (MATHEMATICS)

mathematics [U] specialized the ​number of ​times that a ​number is to be ​multiplied by itself, or the ​number that is the ​result of ​multiplying a ​number by itself: Three to the fourth power can be written 34.

power noun (NATION)

world history /ˈpɑʊ·ər/ [C] an ​independentnation

powerverb [T]

 us   /ˈpɑʊ·ər/

power verb [T] (ENERGY)

to ​provide something with the ​energy it ​needs to ​operate: [T] Many ​buses and ​trucks are ​powered by ​dieselfuel.
Phrasal verbs
(Definition of power from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definition of "power" - British English Dictionary

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powernoun

uk   /paʊər/  us   /paʊɚ/

power noun (CONTROL)

B2 [U] ability to ​controlpeople and ​events: I've no power over him - he does what he ​wants to. Once ​nicotine has you inits power, it's very ​difficult to ​stopsmoking. She has the power to ​charm any man she ​meets.C1 [U] the ​amount of ​politicalcontrol a ​person or ​group has in a ​country: Does the ​president have more power than the ​primeminister? How ​long has the ​Conservative Party been in power? The ​army seized power after five ​days of anti-government ​demonstrations.
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power noun (STRENGTH)

C1 [U] strength: Our ​car doesn't have enough power to ​tow a ​trailer. Weightlifters have ​tremendous power in ​theirarms and ​legs. Scientists are ​working to ​harness the power of the ​atom. The ​economic power of many ​Asiancountries has ​growndramatically in ​recentyears.
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power noun (OFFICIAL RIGHT)

[U] an ​official or ​legalright to do something: [+ to infinitive] I'd like to ​help but I don't have the power tointervene in this ​dispute. It's not inyour power tocancel the ​order. I can't give you a ​refund - I'm ​afraid it's not within my power.powers [plural] authority: You were ​acting beyondyour powers when you ​agreed to give her a ​payrise. Visitors to the ​city are ​respectfullyreminded of the council's powers toremoveillegallyparkedvehicles.
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power noun (ELECTRICITY)

B1 [U] electricity, ​especially when ​consideringits use or ​production: You should ​disconnect the power before ​attempting to ​repairelectricalequipment. Our ​buildinglost power (= the ​electricity was ​stopped) during the ​storm. power cables/​lines
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power noun (ABILITY)

powers [plural]
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abilities: My ​mental powers aren't as good as they used to be.
C1 [U] a ​naturalskill or an ​ability to do something: He was so ​shocked by what ​happened to his ​parents that he ​lost the power ofspeech. [+ to infinitive] The ​surgeon did everything in her power tosave him.

power noun (PERSON WITH CONTROL)

C1 [C] a ​person, ​organization, or ​country that has ​control over ​others, often because of wealth, ​importance, or ​greatmilitarystrength: Spain was an ​important military power in the 16th ​century. Germany is on ​its way to ​becoming a world power with a ​permanentseat on the UN Security Council. She is an ​increasinglyimportant power in thecompany.
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power noun (ENERGY)

[U] specialized physics the ​rate at which ​energy is used, or the ​ability to ​produceenergy: The ​ship was only ​slightlydamaged in the ​collision and was ​able to ​sail into ​port under ​its own power. The power rating of my ​amplifier is 40 ​wattsperchannel.

power noun (IMAGE SIZE)

[U] the ​amount by which an ​image is ​increased by a ​device used for ​seeing things that are very ​small or a ​longdistance away: What's the ​magnification power of ​yourbinoculars? You'll need a very high-power ​microscope to ​see something as ​small as that. A low-power ​telescope is enough if you only ​want to ​look at the ​moon.

power noun (MATHEMATICS)

[S] specialized mathematics the ​number of ​times that a ​number is to be ​multiplied by itself: 2 to the fourth power is 2 ​times 2 ​times 2 ​times 2, which ​equals 16. 3 to the power 4 is usually written as 34.

powerverb

uk   /paʊər/  us   /paʊɚ/

power verb (ENERGY)

[T] to ​provide a ​machine with ​energy and the ​ability to ​operate: Buses and ​trucks are usually powered by ​dieselengines. Electricity ​costs less than ​petrol, so powering an ​electricvehicle is ​cheaper.

power verb (STRENGTH)

[I usually + adv/prep] to ​act with ​greatstrength or in a ​forceful way: Halfway through, she powered into the ​lead and went on to ​win the ​race.
(Definition of power from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)

Definition of "power" - Business English Dictionary

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powernoun

uk   us   /ˈpaʊər/
[U] the ​ability to ​control or ​influencepeople, ​organizations, ​events, etc.: Shareholder power is a crucial ​part of how any ​capitalistsocietyworks.power over sb/sth Most ​CEOs have a great ​deal of power over the ​boards of ​directors.the power to do sth Oil ​prices still have the power to hurt the ​worldeconomy. The bitter power ​struggle at the ​top of the ​company had a ​negativeeffect on the ​value of its ​shares. The balance of power in ​globalmarkets is beginning to ​shift.be in power The last ​government was in power for over a decade.
[C or U] an ​official or ​legalauthority to do something: have the power to do sth The ​regulator has the power to ​block a ​deal that would be ​damaging to ​consumers.emergency/executive/special powers The Prime Minister was set to ​invokeemergency powers to ​handle the ​distribution of ​petrol during the ​crisis.
[C] a ​group, country, or ​organization that has ​control over others, especially because of ​financial or military ​strength: a world/global power China is fast ​developing into a ​majorglobal power. a military/​political power acorporate/​economic/​financial power
[U] the ​strength or ​influence of something in a particular ​market or ​activity: We are seeing a ​shift in ​economic power from ​Europe to Asia. I believe he has seriously ​underestimated the power of the ​brand.
[U] energy that is ​produced and used to make things ​work: The ​agency is ​running a ​campaign to ​try and ​turnpublicopinion in favour of nuclear power. The ​energyregulatoragreed that power ​companies could make ​customerssignlong-termagreements.a power cut/failure/outage A power ​outage in Quebec ​left 6 million ​people in the dark.
[U] IT the ​ability of a ​machine, ​computer, etc. to ​workeffectively: The ​system is a way of ​measuring how much computer-processing power is needed to ​handle all the ​hits to a customer's ​site.

powerverb [T]

uk   us   /ˈpaʊər/
to ​provide a ​machine, ​computer, ​vehicle, etc. with the ​energy it ​needs to ​workeffectively: be powered by sth There is ​increasinginterest in ​cars powered by alternative ​fuels, such as ethanol or ​clean diesel. Most ​computers are now powered by Intel ​chips.
to make something ​happen in a faster or more ​effective way: The supermarket's ​strongperformance was powered by a 39% ​increase in ​sales of ​organicproduce.
Phrasal verbs

poweradjective [before noun]

uk   us   /ˈpaʊər/
operated by electricity or a motor: power ​tools a power ​drill
used to describe something that ​shows that you are a ​busy important ​person in a ​company: She was wearing her ​trademark power ​suit for the ​meeting.
(Definition of power from the Cambridge Business English Dictionary © Cambridge University Press)
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