| NOUN | act | rail technology, railroading | the activity of designing and constructing and operating railroads |
|---|
| Meaning | The activity of designing and constructing and operating railroads. | |
|---|---|---|
| Synonym | railroading | |
| Narrower | magnetic levitation, maglev | high-speed rail technology |
| Broader | technology | The practical application of science to commerce or industry |
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