s/n951037

Information
has gloss	(noun) the activity of designing and constructing and operating railroads railroading, rail technology
lexicalization	eng: rail technology
lexicalization	eng: railroading
subclass of	(noun) the practical application of science to commerce or industry technology, engineering
has subclass	(noun) high-speed rail technology; train is suspended on a magnetic cushion above a magnetized track and so travels free of friction maglev, magnetic levitation