ruhr valley ruhr river • ruin · · · Info · Definitions · Characters · · ruhr valley · · Text Common · · Latin · · Scripts 11 · · Length 4 · · Syllables Definitions · · · (noun) a major industrial and coal mining region in the valley of the Ruhr river in northwestern Germany. Synonyms: Ruhr, Ruhr Valley. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 h latin small letter h U+0068 l latin small letter l U+006C r latin small letter r U+0072 u latin small letter u U+0075 v latin small letter v U+0076 y latin small letter y U+0079