RH
From Free net encyclopedia
RH (or Rh) is the abbreviation for:
- The Riemann hypothesis, an important unsolved problem in mathematics.
- Ryan's Hope, a soap opera
- Rhesus factor, a classification to describe blood types in humans, and a related disease of newborns
- Rhenium, the chemical symbol for the element
- Relative Humidity
- Right hand or Right-handed
- Royal Highness
- Reinhard Heydrich