See Also: Purchasing power or buying power(finance)
power-nap(dictionary)
power(1)(dictionary)
power(2)(dictionary)
Power(medicine)
power(encyclopedia)
power cut(dictionary)
sea power(encyclopedia)
Power(money)
sea power(dictionary)

reft (iou) and power(1) (iou)


reft (iou)



reft noun. rare. E19.
[Alt. of RIFT noun1 after reft pa. pple of REAVE verb2, or on the analogy of cleft.]
A rift, a fissure.

power(1) (iou)



power noun. ME.
[Anglo-Norman poer, po(u)air, Old French poeir (mod. pouvoir) from Proto-Romance alt. of Latin posse be able.]
I.
Ability (to do), capacity (of doing, to do); an active property or principle. ME.
G. Berkeley Is it not in your power to open your eyes? J. Tyndall The red rays of the spectrum possess a very high heating power. R. Hoggart Mistrust of science has been strengthened by the latest revelations of its power to harm. J. Barzun Material Success had extinguished..the power of speculative thought.
b. A particular mental or physical faculty, capacity, or ability. Usu. in pl. L15.
Day Lewis Aged voters..through failing..powers of concentration confused C. S. with C. D. Lewis on their voting papers.
(Possession of) control or authority over others; dominance; government, command; personal, social, or political influence or ascendancy. ME.
H. Hallam The council of ten had..power over the senate. J. Galsworthy The revolution which had restored his Party to power. D. Rowe When we were small children we were..fully in the power of Other people. V. J. Scattergood A..power struggle between the leading members of a politically irresponsible nobility.
b. (With specifying word.) A movement to enhance the status or influence of a specified group, lifestyle, etc. M20.
Black Power etc.
Howard Journal The growth of 'pupil power' and the increase in truancy.
Ability to act or affect something strongly; strength, might; vigour, energy; effectiveness. ME.
V. Brome The power of his presence gave the illusion of height to his personality. W. Raeper Dickens acknowledged the power of fairy-tales for moral good.
Legal authority to act for another, esp. in a particular capacity; delegated authority; authorization; an instance of this. ME.
J. A. Froude The bishops..had power to arrest laymen on suspicion of heresy. W. Cruise Powers..by which one person enabled another to do an act for him. E. L. Doctorow The enormous power of the immigration officials.
II.
A military force; an army. arch. ME.
a. A powerful or influential person, body, or thing; spec. (arch.) a person in authority, a ruler. LME.
T. S. Eliot I want to be a power in the City.
b. A State or nation with regard to its international authority or influence. E18.
V. Cronin Catherine had recognised Prussia to be the strongest European power.
A celestial being; spec. (a) in Christian theology, a member of the sixth order of the ninefold celestial hierarchy, ranking directly below the virtues and above the principalities (usu. in pl.); (b) a pagan god. LME.
Orig. (now dial.), a large number of. Later (now colloq.), an abundance of, a great deal of. LME.
J. Diski It'll do you a power of good.
A document, or clause in a document, giving a person legal authority to act for another, esp. in a particular capacity. Freq. in power of attorney s.v. ATTORNEY noun 4. L15.
In biblical translations and allusions [translation of Greek exousia (1 Corinthians 11:10)]: a woman's head-covering. E16-E17.
III.
The sound indicated by a character or symbol; the meaning in context of a word or phrase. M16.
Math. A value obtained by multiplying a quantity by itself a (specified) number of times (the number of equal factors of the resulting product being the exponent). Also, an exponent. Freq. with preceding ordinal, as first power (the quantity itself), second power (the square of a quantity), third power (the cube of a quantity), or following cardinal, as (to) the power ten, (to) the power of ten. (Earliest in narrower Geometry sense.) L16.
b. That property of a set that is the same for any two sets whose elements can be placed in a one-to-one correspondence (in the case of a finite set, equal to the number of elements it contains); = POTENCY 5. E20.
Mechanics. In full mechanical power. = simple machine s.v. MACHINE noun. obsolete exc. Hist. L17.
a. A form or source of energy or force available for application to work, or applied to produce motion, heat, or pressure; (a) mechanical or electrical energy as distinct from hand-labour; (b) a (public) supply of energy, esp. electricity (often viewed as a commodity); occas. spec., an electricity supply Other than that for lighting. E18.
hydroelectric power, nuclear power, solar power, etc.
G. Greene What's the good of a vacuum cleaner if the power's cut off?
b. Capacity for exerting mechanical force, doing work, or producing some physical effect; spec. in Physics, the rate of energy output, the rate at which work is done. E19.
c. An engine; engines or machines collectively. slang. M20.
Optics.
a. The magnifying capacity of a lens or combination of lenses; also, the lens itself. E18.
b. [from refractive power.] The reciprocal of the focal length of a lens. E19.
Phrases: balance of power: see BALANCE noun. Black Power: see BLACK adjective. Central Powers: see CENTRAL adjective. corridors of power: see CORRIDOR 4. Great Power: see GREAT adjective. have the power of record: see RECORD noun. more power to you etc., more power to your arm, more power to your elbow, etc. colloq.: expr. encouragement for a person or approval of a person's actions. power behind the throne a person without constitutional status who covertly exercises power by personal influence over a ruler or leader. power of attorney: see ATTORNEY noun 4. powers-that-be [Romans 13:1] the authorities concerned, the people exercising political or social control. resolving power: see RESOLVE verb 2d. residuary powers: see RESIDUARY 2. separation of powers: see SEPARATION 1. specific rotary power: see SPECIFIC adjective. to the best of one's power: see BEST adjective etc.. vital power: see VITAL adjective.
Attrib. & comb.: In the senses 'operated, driven, or done by mechanical power', as power-crane, power drill, power-hammer, power-lathe, power mower, etc.; 'designating a sportsman or sportswoman or a style of play in which great muscular power is used', as power hitter, power tennis, etc; 'pertaining to the generation and use of (esp. commercial electrical) power', as power industry, power loss, power supply, etc; 'designating fuel of a grade suitable for producing mechanical power', as power alcohol, power kerosine, etc. Special combs., as power-assistance (the equipment for) the application of power to assist manual operation; power-assisted adjective (esp. of brakes and steering in motor vehicles) employing an inanimate source of power to assist manual operation; power base a source of authority or support; power block Politics a group of allied States, a great power with its allies and dependencies; power board (a) a board or panel containing switches or meters for an electricity supply; (b) (chiefly NZ) a controlling authority for the supply of electricity in an area; powerboat a motorboat, esp. one with a powerful engine; power brake a power-assisted brake (in a motor vehicle); power breakfast (orig. US) a working breakfast at which powerful politicians, business executives, etc., hold high-level discussions; power broker (chiefly N. Amer.) a person who exerts influence or affects the distribution of political power by intrigue; power cable: transmitting electrical power; power car (chiefly US) a railway carriage incorporating an engine; power centre a locus of political authority, esp. a powerful person or institution; power-centred adjective concerned with the study, acquisition, or Exercise of political authority; power cut a temporary withdrawal or failure of an electricity supply; power density Nuclear Physics the power produced per unit volume of a reactor core; power dive a steep dive of an aircraft with its engine or engines providing thrust; power-dive verb intrans. perform a power dive; power dressing: in a style intended to show that one holds a powerful position in business etc.; power-drive (a) (equipment for) the driving of machinery by mechanical or electrical power; (b) the impulse to Exercise power; power-egg an ovate housing for an engine, esp. on an airship; power elite a social or political group that exercises power; power factor Electricity the ratio of the actual power delivery by (part of) an a.c. circuit to the product of the root mean square values of current and voltage; power failure a failure of a power supply, esp. of electricity; power forward Basketball a large forward who typically plays close to the basket and has good shot-blocking and rebounding skills; power frequency Electricity: in the range used for alternating currents supplying power (commonly 50 or 60 Hz); power game a contest for authority or influence, esp. in Politics; power law a relationship between two quantities such that one is proportional to a fixed power of the Other; power level the amount of power being transmitted, produced, etc. (often relative to a Reference level); powerlifter a person who takes part in powerlifting; powerlifting a form of competitive weightlifting in which contestants attempt three types of lift in a set sequence; power line a conductor supplying electrical power, a mains transmission line, esp. supported by poles or pylons; power-load Electricity the amount of current delivered for use in driving machinery, as distinct from that used for lighting; power-loader a machine for loading coal on to a conveyor belt at the coalface; power loading (a) Mining the loading of coal on to a conveyor belt at the coalface by means of a machine; (b) see LOADING noun 6; power-loom a weaver's loom worked by machine rather than by hand; power lunch (orig. US) a working lunch, esp. one at which people of authority or influence can hold discussions in a relatively informal or neutral setting; the Food served at such a lunch; power-net a knitted stretch fabric used in women's underwear; power-operated adjective operated by power from an inanimate source; power outage N. Amer. = power cut above; power pack a unit for supplying power; spec. one for converting an alternating current (from the mains) to a direct current at a different (usu. lower) voltage; power package a self-contained source of power; powerplant (an) apparatus or an installation which provides power for industry, a machine, etc.; power play (a) Sport (tactics involving) a concentration of players at a particular point; (b) Tennis (tactics requiring) the hitting of every ball with maximum speed and strength; (c) Ice Hockey (play involving) a formation of players adopted when the opponents are one or more players down; (d) a political or business strategy involving a concentration of effort, resources, etc.; power point a socket in a wall etc. by which an electrical appliance or device can be connected to the electricity supply; power pole a pole supporting an overhead power line; power-political adjective pertaining to or characterized by power Politics; power-politician a person who practises power Politics; power Politics political action based on or backed by power or threats to use force; power-rating the electrical power which an appliance is designed to receive or operate at; power series Math. an infinite series of the form ¦²anxn (where n is a positive integer); a generalization of this for more than one variable; power set Math. & Logic the set of all the subsets of a given set; power-sharing (a) the sharing among rival political interests of governmental responsibilities; (b) a policy for such sharing agreed between parties or within a coalition; power shovel a mechanical excavator; power shower a shower bath using an electric pump to produce a high-pressure spray; power slide noun & verb (a) noun a deliberate controlled skid in a vehicle, usu. done in order to turn corners at high speed; (b) verb trans. (power-slide) turn (a car) in this way; power spectrum the distribution of the energy of a waveform among its different components; power station a building or works where electricity is generated for distribution; power steering power-assisted steering (in a motor vehicle); power stroke the stroke of an internal-combustion engine in which the piston is moved downward by the expansion of gases in the cylinder; power supply the supply of power, esp. electricity; power take-off (equipment for) the transmission of mechanical power from an engine, esp. that of a tractor or similar vehicle, to another piece of equipment; power tool an electrically powered tool; power train Mechanics the mechanism that transmits the drive from the engine of a vehicle to its axle; this together with the engine and axle; power transformer Electronics a transformer designed to accept a relatively large power, esp. from a mains supply or an amplifier, for transmission at a usu. lower voltage to a circuit or device; power transistor Electronics a transistor designed to deliver a relatively high power; power unit a device supplying, or controlling the supply of, power; a power plant; power-up (a) the action of switching on an electrical device, esp. a computer; (b) (in a computer game) a bonus which a player can collect and which gives his or her character an advantage such as more strength or firepower; power user Computing a user who needs products having the most features and the fastest performance.