solenoid
/ˈsɒlɪnɔɪd/ noun C2- A coil of wire that acts as a magnet when an electric current flows through it.
- An electromechanical device consisting of such a coil containing a metal core, the movement of which is controlled by the current.
- An electromechanical switch controlled by a solenoid; solenoid switch, relay.
- The region of intersection between isobaric and isopycnal surfaces.
Plural solenoids
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