Dictionaries, Thesauruses, Pictures, and Press Releases
- Roughton, Francis John Worsley
- roughy
- Rouillier, Karl Frantsovich
- round dance
- round dance
- rounded biosparite
- roundhead
- roundness index
- Routh, Edward John
- rove beetle
- Rovereto, Gaetano
- Rowe cell
- Rowe, Allan Winter
- Rowning, John
- royal fern
- royal palm
- Royer, Clémence-Auguste
- Roystonea
- Rozhdestvensky, Dmitry Sergeevich
- RPF