Children's, Intermediate and Advanced Online English Dictionary & Thesaurus

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absolute power complete control over someone or something, esp. of a government or ruler over his citizens.
air power a country's military capacity for waging war by air.
balance of power a sufficient distribution of military or economic power among governments to prevent any one from excessively dominating others. [2 definitions]
black power (sometimes caps.) the political and economic power of American blacks mobilized to force the granting of equal rights.
power dive a steep downward plunge of an aircraft such as a fighter plane that is accelerated by engine power as well as gravity.
power failure a loss of electric power.
power of attorney a formal, legally valid document that authorizes one person or party to act on behalf of another.
power pack a portable device that converts the incoming power-line or battery-generated voltage to the voltages required by the various components of an electronic system, such as a radio or television amplifier.
power plant a complex of buildings, machinery, and equipment where electrical power is generated from another energy source, such as moving water, burning coal, or nuclear reactions.
power play an offensive maneuver in team sports, in which force is concentrated on a small area. [3 definitions]
power point (chiefly British) a point in an electrical system where electrical appliances can be connected to the current; outlet.
power politics (used with a sing. or pl. verb) international diplomacy in which one or several participants threaten with, or use, military or economic force.
power structure the system or hierarchy of authority or control in politics, business, society, or the like. [2 definitions]
power switch a device used to open or close an electric connection.
power tool a tool that operates by electric power.
power up to turn on an electrical or electronic device or system, or otherwise connect it to a power source. [2 definitions]
resolving power the ability of an optical system to yield separate images of close points. [2 definitions]
sea power naval strength. [2 definitions]
separation of power the division of authority among entities holding power, esp. among the executive, legislative, and judicial branches of the U.S. government.
solar power electricity or heat that is generated from sunlight.