- a river in W Germany, flowing NW and W into the Rhine. 144 miles (232 km) long.
- a mining and industrial region centered in the valley of the Ruhr River.
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Examples from the Web for ruhr
The chief centre of this industry is the valley of the Ruhr River.
The twin cities, Barmen-Eberfeld, in the Ruhr coal-field, form one of the principal centres of cotton manufacture in the world.
Spinola had established his headquarters at Ruhrort, a place where the river Ruhr empties into the Rhine.
The river Ruhr was a wide but desultory stream, easily fordable in many places.
M. Briand had found it necessary to placate his Chamber by announcing that he intended to occupy the Ruhr on May 1.A Revision of the Treaty
John Maynard Keynes
- the chief coalmining and industrial region of Germany: in North Rhine-Westphalia around the valley of the River Ruhr (a tributary of the Rhine 235 km (146 miles) long)German name: Ruhrgebiet (ˈruːrɡəˌbiːt)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012