Rotation (Medical » Physiology)
* Rule Of Thumb (Business » General)
* Reign Of Terror (Governmental » Military)
* Right On Top (Community » Educational)
* Right On Target (Internet » Chat)
* Republic Of Texas (Regional)
* Rotorua, New Zealand (Regional » Airport Codes)
* Right Occiput Transverse (Medical » Physiology)
* Registered Options Trader (Business » General)
* Runway Occupancy Time (Governmental » Transportation)
* Rotater 3D image (Computing » File Extensions)
Abbreviations dictionary. 2012.