<p><strong>Noun</strong></p><ul><li>plural: powers</li><li>ability to do or act; capability of doing or accomplishing something: Everyone has the power to better themselves.</li><li>Synonyms: capacity</li><li>Antonyms: incapacity</li><li>political or national strength: The Second World War changed the balance of power in Europe.</li><li>great or marked ability to do or act; strength; might; force: Synonyms: energy</li><li>Antonyms: weakness</li><li>the possession of control or command over people; authority; influence: Words have tremendous power over our minds.</li><li>political ascendancy or control in the government of a country, state, etc.: They attained power by overthrowing the legal government.</li><li>Synonyms: sovereignty, rule, sway, ascendancy</li><li>legal ability, capacity, or authority: the legislative powers vested in Congress.</li><li>delegated authority; authority granted to a person or persons in a particular office or capacity: a delegate with power to mediate disputes.</li><li>a document or written statement conferring legal authority.</li><li>a person or thing that possesses or exercises authority or influence.</li><li>a state or nation having international authority or influence: The great powers held an international conference.</li><li>a military or naval force: The Spanish Armada was a mighty power.</li><li>Often: powers</li><li>a deity; divinity: the heavenly powers.</li><li>powers, Theology: an order of angels.</li><li>Compare angel (def 1).</li><li>Dialect: a large number or amount: There's a power of good eatin' at the church social.</li><li>Physics: work done or energy transferred per unit of time.</li><li>: P the time rate of doing work.</li><li>mechanical energy as distinguished from hand labor: The factory recently began using looms driven by power.</li><li>a particular form of mechanical or physical energy: hydroelectric power.</li><li>energy, force, or momentum: The door slammed shut, seemingly under its own power.</li><li>Mathematics: the product obtained by multiplying a quantity by itself one or more times: The third power of 2 is 8.</li><li>(of a number x) a number whose logarithm is a times the logarithm of x (and is called the a th power of x). Symbolically, y = xa is a number that satisfies the equation log y = a log x.</li><li>the exponent of an expression, as a in xa.</li><li>Optics: the magnifying capacity of a microscope, telescope, etc., expressed as the ratio of the diameter of the image to the diameter of the object.</li><li>Compare magnification (def 2).</li><li>the reciprocal of the focal length of a lens.</li></ul><p><strong>Verb</strong></p><ul><li>(used with object) to supply with electricity or other means of power: Atomic energy powers the new submarines.</li><li>to give power to; make powerful: An outstanding quarterback powered the team in its upset victory.</li><li>to inspire; spur; sustain: A strong faith in divine goodness powers his life.</li><li>(of a fuel, engine, or any source able to do work) to supply force to operate (a machine): An electric motor powers this drill.</li><li>to drive or push by applying power: She powered the car expertly up the winding mountain road.</li></ul><p><strong>Adjective</strong></p><ul><li>operated or driven by a motor or electricity: a power mower; power tools.</li><li>power-assisted: cars with power brakes and power windows.</li><li>conducting electricity: a power cable.</li><li>Informal: expressing or exerting power, especially in business; involving or characteristic of those having authority or influence: She dressed for court in hose, heels, and a conservative power suit.</li><li>The corporate-sponsored lobbyists are fueled by power breakfasts of ice-cold orange juice and croissants.</li></ul><p><strong>Verb Phrase</strong></p><ul><li>Computers: to shut off.</li><li>Computers: to turn on.</li></ul>