| Rh | a major European river carrying more traffic than any other river in the world |
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| Rh | a picturesque region of Germany around the Rhine river |
| Rh | any of several white wines from the Rhine River valley in Germany (`hock' is British usage) |
| Rh | of or relating to the Rhine River and the lands adjacent to it |
| Rh | a rare heavy polyvalent metallic element that resembles manganese chemically and is used in some alloys |
| Rh | (physics) of or relating to rheology |
| Rh | (physics) of or relating to rheology |
| Rh | the branch of physics that studies the deformation and flow of matter |
| Rh | resistor for regulating current |
| Rh | of southern Asia |
| Rh | a blood group antigen possessed by Rh-positive people |
| Rh | of southern Asia |