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Hint: In most browsers you can lookup any word by double click it.
English
noun
:
rail technology
1.
rail technology
(act)
the activity of designing and constructing and operating railroads
Synonyms
railroading
Broader (hypernym)
engineering
,
technology
Narrower (hyponym)
maglev
,
magnetic levitation
Based on WordNet 3.0 copyright © Princeton University.
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. English edition:
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.
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