| solenoid | <radiobiology> Cylindrical coil of wire which, when current flows through it, acts as an electromagnet. For long solenoids with many turns, the magnetic field inside the centre is nearly uniform. (09 Oct 1997) |
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| electromagnet | <physics> A mass, usually of soft iron, but sometimes of some other magnetic metal, as nickel or cobalt, rendered temporarily magnetic by being placed within a coil of wire through which a current of electricity is passing. The metal is generally in the form of a bar, either straight, or bent into the shape of a horseshoe. Source: Websters Dictionary (01 Mar 1998) |