This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. A current-carrying coil of wire that acts like a magnet when a current passes through it.

n. An assembly used as a switch, consisting of a coil and a metal core free to slide along the coil axis under the influence of the magnetic field.

n. A coil of wire that acts as a magnet when an electric current flows through it

n. A mechanical switch consisting of such a coil containing a metal core, the movement of which is controlled by the current

n. An electrodynamic spiral having the conjuctive wire turned back along its axis, so as to neutralize that component of the effect of the current which is due to the length of the spiral, and reduce the whole effect to that of a series of equal and parallel circular currents. When traversed by a current the solenoid exhibits polarity and attraction or repulsion, like a magnet.

n. A helix of copper or other conducting wire wound in the form of a cylinder so as to be nearly equivalent to a number of equal and parallel circular circuits arranged upon a common axis.

n. a coil of wire around an iron core; becomes a magnet when current passes through the coil

"So far, injector technology has been catagorized as either "solenoid" or "piezo" In both cases, the injector needle is moved via a hydraulic circuit controlled by a valve that is set in motion by an actuator-either a 'solenoid' device or a 'piezo' device."

coil    magnet   

cut-out    contactor    cut-off    actuator    thermostatic