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English definition of “power”

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power

noun  /ˈpɑʊ·ər/ us  

power noun (CONTROL)

[U] the ability or right to control people and events, or to influence the way people act or think in important ways: The election results showed that the Democrats had lost power, with Republicans taking over five more Democratic seats.

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 medical education.

power noun (NATURAL ABILITY)

[C/U] a natural skill 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] physical strength or force: He’s a good baseball player – he hits with a lot of power.

power noun (ENERGY)

[U] the ability to produce energy, or the energy produced: 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 independent nation

power

verb [T]  /ˈpɑʊ·ər/ us  

power verb [T] (ENERGY)

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