Noun | 1. | ![]() transposition - (electricity) a rearrangement of the relative positions of power lines in order to minimize the effects of mutual capacitance and inductance; "he wrote a textbook on the electrical effects of transposition" amplification - (electronics) the act of increasing voltage or power or current earth, ground - a connection between an electrical device and a large conducting body, such as the earth (which is taken to be at zero voltage) outlet box - (electricity) receptacle consisting of the metal box designed for connections to a wiring system physical phenomenon - a natural phenomenon involving the physical properties of matter and energy galvanism - electricity produced by chemical action hydroelectricity - electricity produced by water power photoelectricity - electricity generated by light or affected by light piezo effect, piezoelectric effect, piezoelectricity - electricity produced by mechanical pressure on certain crystals (notably quartz or Rochelle salt); alternatively, electrostatic stress produces a change in the linear dimensions of the crystal static electricity - electricity produced by friction current electricity, dynamic electricity - a flow of electric charge thermoelectricity - electricity produced by heat (as in a thermocouple) direct - (of a current) flowing in one direction only; "direct current" alternating - (of a current) reversing direction; "alternating current" high-tension - subjected to or capable of operating under relatively high voltage; "high-tension wire" low-tension, low-voltage - subjected to or capable of operating under relative low voltage inductive - arising from inductance; "inductive reactance" galvanic, voltaic - pertaining to or producing electric current by chemical action; "a galvanic cell"; "a voltaic (or galvanic) couple" multiphase, polyphase - of an electrical system that uses or generates two or more alternating voltages of the same frequency but differing in phase angle |
2. | ![]() alternating current, alternating electric current, AC - an electric current that reverses direction sinusoidally; "In the US most household current is AC at 60 cycles per second" direct current, direct electric current, DC - an electric current that flows in one direction steadily signal - an electric quantity (voltage or current or field strength) whose modulation represents coded information about the source from which it comes energy, free energy - (physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work; the units of energy are joules or ergs; "energy can take a wide variety of forms" | |
3. | electricity - keen and shared excitement; "the stage crackled with electricity whenever she was on it" stir - emotional agitation and excitement |