Ruhr
geographical name
1
river 146 miles (235 kilometers) long in western Germany flowing northwest and west to the Rhine River
2
industrial district in the valley of the Ruhr River in Germany
Cite this Entry
“Ruhr.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Ruhr. Accessed 5 Jul. 2025.
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