English abbreviations from ros to row
- ROS(Reactive Oxygen Species)
- ROSAT((telescope) ROentgen SATellite, an X-ray space telescope)
- ROSC(Regional Operations and Security Center)
- ROSE(Recycling Oil Saves The Environment)
- ROSS(Reach Out to Snohomish Seniors)
- ROT(Remote Operated Tool)
- ROTA(Royal Ordnance Training Ammunition)
- ROTC(Reserve Officers' Training Corps)
- ROTFL(Range Over Test Frequency Level)
- ROTHR(Relocatable Over-The-Horizon Backscatter Radar (USN))
- ROTP(Regular Officer Training Plan (Canada))
- ROTSE((observing program/telescope) Robotic Optical Transient Search Experiment, an observing program for detecting the optical counterparts of gamma ray bursts; also the telescopes used in this program)
- ROU(Romania (ISO 3166 trigram))
- ROV(Remotely Operated Vehicle)
- ROV/WROV(Remotely Operated Vehicle/WorkClass Remotely Operated Vehicle, used for subsea construction and maintenance)
- ROVE(Recognition Of Volunteer Excellence)
- ROW(Right Of Way||Rest Of the World)
