 ruhr |
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| 1. | [ noun ] (geography) a tributary of the Rhine | |
| Synonyms: | Ruhr_River | |
| Related terms: | river Germany | |
| 2. | [ noun ] (geography) a major industrial and coal mining region in the valley of the Ruhr river in northwestern Germany | |
| Synonyms: | Ruhr_Valley | |
| Related terms: | geographical_area Germany | |
