rail technology

Noun
  1. The activity of designing and constructing and operating railroads (synset 100953148)
    is a type of: technology - the application of the knowledge and usage of tools (such as machines or utensils) and techniques to control one's environment
    subtypes: maglev, magnetic levitation - high-speed rail technology; train is suspended on a magnetic cushion above a magnetized track and so travels free of friction
    same as: railroading

Other Searches