| electricity | | |
| n. (phenomenon) | 1. electricity | a physical phenomenon associated with stationary or moving electrons and protons. |
| ~ 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). |
| ~ live, hot | charged or energized with electricity.; "a hot wire"; "a live wire" |
| ~ 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. |
| n. (phenomenon) | 2. electrical energy, electricity | energy made available by the flow of electric charge through a conductor.; "they built a car that runs on electricity" |
| ~ 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" |
| n. (feeling) | 3. electricity | keen and shared excitement.; "the stage crackled with electricity whenever she was on it" |
| ~ stir | emotional agitation and excitement. |
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