What is the meaning of ruhr valley?

noun

  • A major industrial and coal mining region in the valley of the Ruhr river in northwestern Germany.
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). ruhr valley. Retrieved September 26, 2026, from http://smartdefine.org/ruhr_valley/definitions/1307734
ChicagoWordNet. 2010. "ruhr valley" http://smartdefine.org/ruhr_valley/definitions/1307734 (accessed September 26, 2026).
HarvardWordNet 2010, ruhr valley, Smart Define, viewed 26 September, 2026, <http://smartdefine.org/ruhr_valley/definitions/1307734>.
MLAWordNet. "ruhr valley" 23 October 2010. Web. 26 September 2026. <http://smartdefine.org/ruhr_valley/definitions/1307734>