RH
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Look up RH or Rh in Wiktionary, the free dictionary. |
RH, Rh, rH, or rh may stand for:
Companies
- Red Hat, an American software company
- Republic Express Airlines, IATA designator for a cargo airline in Jakarta, Indonesia
- Restoration Hardware, an American furniture chain
Science
- Relative humidity
- Releasing hormone
- Rh blood group system, a classification to describe blood types in humans
- Rhodium, a chemical element
- Rydberg constant for hydrogen (RH)
Other
- Rh (digraph)
- RH postcode area, in the UK
- The Right Honourable, an honorific preceding a name in the UK
- Riemann hypothesis, an important unsolved problem in mathematics
See also
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