Power definition

pouər
A person or thing having great influence, force, or authority.
noun
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Ability to do, act, or produce.
noun
50
15
The rate at which work is done, or energy expended, per unit time. Power is usually measured in watts (especially for electrical power) or horsepower (especially for mechanical power). For a path conducting electrical current, such as a component in an electric circuit, P = VI, where P is the power dissipated along the path, V is the voltage across the path, and I is the current through the path.
33
11
Great ability to do, act, or affect strongly; vigor; force; strength.
noun
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5
Of or relating to political, social, or economic control.

A power struggle; a power base.

adjective
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4
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A spirit or divinity.
noun
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3
A source of physical or mechanical force or energy; force or energy that is at, or can be put to, work.

Electric power, water power.

noun
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The rate at which work is done: abbrev. P.
noun
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4
To supply with power or with a source of power.
verb
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2
Served by an auxiliary, engine-powered system that reduces the effort of the operation.

Power steering.

adjective
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3
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Producing or carrying electricity.

A power cell, power lines.

adjective
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3
The source of energy used to operate a machine or other system.
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3
(dial.) A large number or quantity (of something specified)
noun
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National might or political strength.
noun
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4
(informal) Of, for, or signifying persons in business or politics who are regarded as powerful.

A power lunch, a power suit.

adjective
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A specific ability or faculty.

The power of hearing.

noun
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3
A supernatural being.

The powers of evil.

noun
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1
The ability to control others; authority; sway; influence.
noun
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Military strength.

Air power.

noun
2
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Strength or intensity. 3.The rate at which work is performed.
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(social) Effectiveness.
  • (countable) Capability or influence.
    An incident which happened about this time will set the characters of these two lads more fairly before the discerning reader than is in the power of the longest dissertation.
    Thwackum, on the contrary, maintained that the human mind, since the fall, was nothing but a sink of iniquity, till purified and redeemed by grace. [...] The favourite phrase of the former, was the natural beauty of virtue; that of the latter, was the divine power of grace.
  • Control, particularly legal or political (jurisdiction).
    The Party seeks power entirely for its own sake. We are not interested in the good of others ; we are interested solely in power. Not wealth or luxury or long life or happiness: only power, pure power. [...] We know that no one ever seizes power with the intention of relinquishing it. Power is not a means, it is an end. One does not establish a dictatorship in order to safeguard a revolution; one makes the revolution in order to establish the dictatorship. The object of persecution is persecution. The object of torture is torture. The object of power is power.
    In the face of expanding federal power, California in particular struggled to maintain control over its Chinese population.
  • (chiefly in the plural) The people in charge of legal or political power, the government.
  • Influential nations, companies, or other such bodies.
noun
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Physical strength or force exerted or capable of being exerted.

The power of the waves.

noun
1
0
Legal ability or authority; also, a document giving it.
noun
1
0
The ability or official capacity to exercise control; authority.

How long has that party been in power?

noun
1
1
(physical, uncountable) Effectiveness.
noun
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1
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To provide power for (a mechanical or electronic device).

This CD player is powered by batteries.

verb
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A button of a computer, a video game console, or similar device, that when pressed, causes the device to be either shut down or powered up.
noun
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(chiefly upper southern us) A large number or amount.
noun
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(archaic) An armed force.
noun
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The ability or capacity to act or do something effectively.

Is it in your power to undo this injustice?

noun
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A specific capacity, faculty, or aptitude.

Her powers of concentration.

noun
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Effectiveness at moving one's emotions or changing how one thinks.

A novel of great power.

noun
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(christianity) The sixth of the nine orders of angels in medieval angelology.
noun
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The energy or motive force by which a physical system or machine is operated.

Turbines turned by steam power; a sailing ship driven by wind power.

noun
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The capacity of a system or machine to operate.

A vehicle that runs under its own power.

noun
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Electrical or mechanical energy, especially as used to assist or replace human energy.
noun
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Electricity supplied to a home, building, or community.

A storm that cut off power to the whole region.

noun
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The product of applied potential difference and current in a direct-current circuit.
noun
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0
The product of the effective values of the voltage and current with the cosine of the phase angle between current and voltage in an alternating-current circuit.
noun
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The number of elements in a finite set.
noun
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(optics) The degree of magnification of a lens, microscope, telescope, etc., expressed as a ratio of the diameters of image and object.
noun
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Special authority assigned to or exercised by a person or group holding office.
noun
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(archaic) An armed force; army; navy.
noun
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0
The product of the multiplication of a quantity by itself.

4 is the second power of 2 (22)

noun
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0
The amount of current (I) times the voltage (E) at a given point in a circuit. Power is measured in watts (W), equivalent to joules per second.
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(mathematics) Effectiveness.
  • A product of equal factors. Notation and usage: xn, read as "x to the power of n" or "x to the nth power", denotes x × x × ... × x, in which x appears n times, where n is called the exponent; the definition is extended to non-integer and complex exponents.
  • (set theory) Cardinality.
  • (statistics) The probability that a statistical test will reject the null hypothesis when the alternative hypothesis is true.
noun
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(biblical) In Christian angelology, the fourth level of angels, ranked above archangels and below principalities.
noun
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To hit or kick something forcefully.
verb
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Operated with mechanical or electrical energy in place of bodily exertion.

A power tool; power car windows.

adjective
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Operated by electricity, a fuel engine, etc.

Power tools, a power mower.

adjective
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(mathematics) The number of times a number or expression is multiplied by itself, as shown by an exponent. Thus ten to the sixth power, or 106 , equals one million.
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A nation, esp. one having influence or domination over other nations.

A treaty with foreign powers.

noun
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Of or relating to the generation or transmission of electricity.

Power companies; power lines.

adjective
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(informal) Of or relating to influential business or professional practices.

A pinstriped suit with a power tie; met with high-level executives at a power breakfast.

adjective
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To supply with power, especially mechanical or electrical power.
verb
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A number that represents the magnification of an optical instrument, such as a microscope or telescope. A 500-power microscope can magnify an image to 500 times its original size.
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Power means to supply with energy or force.

An example of power is to start up an engine.

verb
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The definition of power is operating electrically or having strength or force.

An example of power is the functioning of a gasoline-driven saw or tool.

An example of power is a big game move.

adjective
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2
A country, nation, or other political unit having great influence or control over others.

The western powers.

noun
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The military strength or economic or political influence of a nation or other group.

That country projects its power throughout the region.

noun
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Power is defined as the ability to act or have influence over others.

An example of power is the strength needed to run five miles.

An example of power is the authority a local government has to collect taxes.

noun
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3
(physics) The rate at which work is done, expressed as the amount of work per unit time and commonly measured in units such as the watt and horsepower.
noun
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2
(statistics) In a statistical test, the probability of correctly rejecting the null hypothesis when it is false.
noun
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2
A measure of the magnification of an optical instrument, such as a microscope or telescope.
noun
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2
powers that be
  • Those who hold effective power in a system or situation:
    A plan vetoed by the powers that be.
idiom
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in power
  • in authority
  • in office
idiom
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1
the powers that be
  • the persons in control
idiom
3
1

Other Word Forms

Noun

Singular:
power
Plural:
powers

Idioms and Phrasal Verbs

the powers that be

Origin of power

  • Middle English from Old French pooir to be able, power from Vulgar Latin potēre to be able from Latin potis able, powerful poti- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Middle English poer, from Old French poer, from Medieval Latin *potere, for Latin posse (“to be able"); see potent.

    From Wiktionary

  • From power.

    From Wiktionary