Dictionaries, Thesauruses, Pictures, and Press Releases
- Reichenbach, Georg Friedrich Von
- Reichenbach, Karl (or Carl) Ludwig
- Reichert, Karl Bogislaus
- Reidemeister, Kurt Werner Friedrich
- Reil, Johann Christian
- Reinhardtius hippoglossoides
- Reinhold, Erasmus
- Reissner's membrane
- relative dating
- relative density
- relative growth rate
- relative permittivity
- relative plate motion
- relative refractory period
- relative time-scale
- relative vorticity
- relaxation frequency
- release factor
- release factors
- release factors