Ruhr
geographical name
ˈru̇r 
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
- hexaemeric
- hexaemeron
- hexaemerons
- hexafluoride
- hexafoos
- hexagon
- hexagonal
- hexagonal axes
- hexagonal system
- hexagonally
- hexagons
- hexagram
- hexagrammid
- Hexagrammidae
- hexagrammidaes
- Hexagrammos
- hexagrammoses
- hexagrammosses
- hexagrams
- hexahedra
- hexahedral
- hexahedral coordination
- hexahedron
- hexahedrons
- hexahemeron