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Commonly used terms in the Electrical industry.
magnetic levitation
(1) noncontact support of an object using magnetic forces. Abbreviated as maglev.
(2) a method of melting metals without contacting a surface. A cone-shaped high-frequency coil produces eddy currents in the metal which are strong enough to both suspend and melt it, generally in a neutral atmosphere.
(3) one of several techniques of suspending a driveshaft within a bearing so that no contact is made between the shaft and other surfaces.
magnetic bearing
(4) one of several techniques for suspending a railroad train above its tracks so that wheels are not needed. Typically, superconducting magnets are needed, and propulsion is by a linear induction motor cf whose armature lies along the rails.