rail technology 1
noundomain: activity
Princeton WordNet [ver.3.1]
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EnglishDefinition
the activity of designing and constructing and operating railroads
Hypernym
technology 1
noun
the application of the knowledge and usage of tools (such as machines or utensils) and techniques to control one's environment
EnglishHyponym
high-speed rail technology; train is suspended on a magnetic cushion above a magnetized track and so travels free of friction
