'magnetic levitation' definitions:

Definition of 'magnetic levitation'

(from WordNet)
noun
High-speed rail technology; train is suspended on a magnetic cushion above a magnetized track and so travels free of friction [syn: magnetic levitation, maglev]

Definition of 'magnetic levitation'

From: GCIDE
  • magnetic levitation \magnetic levitation\ n. The process of supporting an object, such as a vehicle, with a magnetic field so that it does not contact the object supporting it; it is a method used for eliminating friction in moving vehicles, and is used, e.g. in high-speed rail technology where a train is suspended on a magnetic cushion above a magnetized track and so travels free of friction. [WordNet 1.5]