(New American Roget's College Thesaurus)
An entity of nature with positive and negative parts
1. electricity, electric[al] power; electromagnetism, electromotion; electrical engineering, electronics, magnetics; electrolysis.
2. electric current, alternating current, AC, direct current, DC; open or closed circuit; electrical circuit or field; electric charge, positive or negative charge, live circuit; positive or negative charge or polarity, north or south pole, magnetic pole; resistance, reluctance, reactance, impedance, conductance, conduction, capacitance; electromotive force, potential, high or low tension; electric power, hydroelectric power, nuclear power.
3. (electric measurements) amperage, wattage, voltage; amp[ere], watt, angstrom, volt; ohm, mho, coulomb, maxwell, henry, farad, faraday, fresnel, gauss, gilbert, hertz, oersted, tesla, weber; electric meter, voltmeter, ammeter, galvanometer, spectrometer.
4. electric storage, [storage] battery, [dry or wet] cell, accumulator; capacitor; atomic, electronic, mercury, nickel-cadmium, solar, voltaic, or alkaline battery; alternator, amplifier, armature, attenuator, ballast, bridge, capacitor, circuit breaker, commutator, condenser, conductor, converter, depolarizer, dynamo, electrical cord, extension cord, fuse, generator, ground, insulator, inverter, laser, maser, motor, oscilloscope, patchbay, patchboard, patchcord, phasor, potentiometer, power supply, rectifier, regulator, relay, resistor, resonator, rheostat, rotor, solenoid, switch, transducer, transformer, transmitter.
5. electrician, line[s]man; electrical engineer.
6. power failure, blackout, brownout.
7. power station; nuclear, coal-fired, or oil-fired plant, hydroelectric plant; power grid.
Verbs — electrify, charge; shock; generate [electricity]; transform, step up or down; plug in; switch on or off; short[-circuit].
Adjectives — electric, electrical, photoelectric; hydroelectric; electromotive; solar-powered, battery-powered; [electro]magnetic; charged, live, hot; high- or low-tension; positive, negative; diamagnetic, dielectric, electrostatic.
(Roget's IV) n.
1. [Electricity as a public utility]
Syn. power, current, service, heat, light, ignition, spark, charge, utilities, public utilities, alternating current, A.C., direct current, D.C., voltage, 110 volts, 220 volts, high voltage, high tension, kilowatts, kilowatt hours, kilocycles, megacycles, amperage, live wire, juice*, hot stuff*, megs*, kilos*, amps*.
2. [Electricity as a form of matter]
Syn. magnetism, electromagnetism, radioactivity, electron, neutron, proton, positron, dynatron, heavy electron.
Kinds of electricity include: static, statical, electrostatic, dynamic, dynamical, current, positive, negative, natural, celestial, induced.
(Roget's 3 Superthesaurus) n.
current, power, AC, DC, voltage, spark, charge, *juice.
atom: electron
cell that converts light to electricity: photovoltaic cell
current regulator: rheostat
drop in voltage through power line: brownout
earth or other large body to which circuit is connected to prevent noise interference: ground
generator: dynamo
material capable of carrying current with little resistance: conductor
particle, electrified: ion
poor conductor and a poor insulator: semiconductor
restrictor of current’s flow: insulator
stores electrical charge: capacitor
unit of: amp, ampere, ohm, volt, watt, joule
zero resistance of current: superconductivity

English dictionary for students. 2013.

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