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a. The ability or capacity to act or do something effectively: Is it in your power to undo this injustice?
b. often powers A specific capacity, faculty, or aptitude: her powers of concentration.
a. Physical strength or force exerted or capable of being exerted: the power of the waves. See Synonyms at strength.
b. Effectiveness at moving one's emotions or changing how one thinks: a novel of great power.
a. The ability or official capacity to exercise control; authority: How long has that party been in power?
b. The military strength or economic or political influence of a nation or other group: That country projects its power throughout the region.
c. A country, nation, or other political unit having great influence or control over others: the western powers.
a. A supernatural being: the powers of evil.
b. powers Christianity The sixth of the nine orders of angels in medieval angelology.
a. 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.
b. The capacity of a system or machine to operate: a vehicle that runs under its own power.
c. Electrical or mechanical energy, especially as used to assist or replace human energy.
d. Electricity supplied to a home, building, or community: a storm that cut off power to the whole region.
6. 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.
7. Electricity
a. The product of applied potential difference and current in a direct-current circuit.
b. 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.
8. Mathematics
a. See exponent.
b. The number of elements in a finite set.
9. Statistics In a statistical test, the probability of correctly rejecting the null hypothesis when it is false.
10. A measure of the magnification of an optical instrument, such as a microscope or telescope.
11. Chiefly Upper Southern US A large number or amount. See Note at powerful.
12. Archaic An armed force.
1. Of or relating to political, social, or economic control: a power struggle; a power base.
2. Operated with mechanical or electrical energy in place of bodily exertion: a power tool; power car windows.
3. Of or relating to the generation or transmission of electricity: power companies; power lines.
4. 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.
tr.v. pow·ered, pow·er·ing, pow·ers
To supply with power, especially mechanical or electrical power.
powers that be
Those who hold effective power in a system or situation: a plan vetoed by the powers that be.

[Middle English, from Old French pooir, to be able, power, from Vulgar Latin *potēre, to be able, from Latin potis, able, powerful; see poti- in Indo-European roots.]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.powered - (often used in combination) having or using or propelled by means of power or power of a specified kind; "powered flight"; "kerosine-powered jet engines"
unpowered - not having or using power; "an autogiro is supported in flight by unpowered rotating wings"
يُشَغِّلُ بالطّاقَه
-drifinn, -knúinn
mekaniki güç sağlanmış


[ˈpaʊəd] ADJcon motor
the invention of powered flightla invención del vuelo a or con motor


[ˈpaʊərd] adj
powered by [vehicle] → propulsé(e) par; [machine] → qui fonctionne avec
The planes are powered by Rolls Royce engines → Les avions sont propulsés par des moteurs Rolls Royce., La motorisation des avions est assurée par des moteurs Rolls-Royce.
battery-powered → fonctionnant à piles
mains-powered → fonctionnant sur secteur
nuclear-powered submarine → sous-marin m (à propulsion) nucléairepower failure npanne f de courant


(ˈpauə) noun
1. (an) ability. A witch has magic power; A cat has the power of seeing in the dark; He no longer has the power to walk.
2. strength, force or energy. muscle power; water-power; (also adjective) a power tool (=a tool operated by electricity etc. not by hand).
3. authority or control. political groups fighting for power; How much power does the Queen have?; I have him in my power at last
4. a right belonging to eg a person in authority. The police have the power of arrest.
5. a person with great authority or influence. He is quite a power in the town.
6. a strong and influential country. the Western powers.
7. the result obtained by multiplying a number by itself a given number of times. 2  2  2 or 23 is the third power of 2, or 2 to the power of 3.
ˈpowered adjective
supplied with mechanical power. The machine is powered by electricity; an electrically-powered machine.
ˈpowerful adjective
having great strength, influence etc. a powerful engine; He's powerful in local politics.
ˈpowerfully adverb
ˈpowerfulness noun
ˈpowerless adjective
having no power. The king was powerless to prevent the execution.
ˈpowerlessness noun
power cut/failure
a break in the electricity supply. We had a power cut last night.
ˌpower-ˈdriven adjective
worked by electricity or other mechanical means, not by hand.
power point
a socket on a wall etc into which an electric plug can be fitted.
power station
a building where electricity is produced.
be in power
(of a political party) to be the governing party.
References in periodicals archive ?
com/prnh/20130307/600769) The global powered surgical instruments market is estimated to be worth around $1.
According to the new research report " Powered Surgical Instruments Market by Power Source (Electric, Battery, Pneumatic), by Product (Drill, Saw, Stapler, Reamer, Battery, Console, Cables, Blade, Burr, Cart), by Application (Orthopedic, ENT, Oral, Thoracic, Neurology) - Global Forecasts to 2019 " published by MarketsandMarkets, the global Powered Surgical Instruments Market is estimated to be worth around $1.
Pro-Dex is IS0:13485-certified and works with some of the leading names in the medical device industry to develop and manufacture cutting-edge powered surgical instruments.
Stryker Corporation develops, manufactures and markets specialty surgical and medical products worldwide, including reconstructive implants, spinal, trauma and craniomaxillofacial systems, the bone growth factor osteogenic protein-1, powered surgical instruments, endoscopic and surgical navigation systems and patient care and handling equipment, and provides outpatient physical therapy services in the United States.
com/research/3a5a58/global_markets_for) has announced the addition of the "Global Markets for Powered Surgical Instruments 2010-2014" report to their offering.
5, 2015 /PRNewswire/ -- In this report, the global powered surgical instruments market is segmented by power source, product, and application.
Furthermore, other potential applications include surgical handpieces, foot switches or more general powered surgical instruments.
Powered surgical instruments using lithium-ion chemistry can deliver eight times the power over older nickel chemistry," said Robin Tichy, medical marketing manager for Micro Power.
Battery powered surgical instruments bring efficiency and reliability to surgeons during increasingly complex procedures.
Growth will be largely in line with expanding elderly and obese populations prone to conditions treated in conjunction with powered surgical instruments, such as orthopedic, ear, nose and throat and neurological maladies.
Pro-Dex is ISO:13485-certified and works with some of the leading names in the medical device industry to develop and manufacture cutting-edge powered surgical instruments.
The Company's products serve the clinical areas of sports medicine-arthroscopy, powered surgical instruments, electrosurgery, cardiac monitoring disposables, endosurgery and endoscopic technologies.