| Acronym | Definition |
|---|
| RCSR➣Reticular Chemistry Structure Resource |
| RCSR➣Reverse Cross-Site Request (software vulnerability) |
| RCSR➣Registered Customer Service Representative |
| RCSR➣Radar Cross Section Reduction (Techniques) |
| RCSR➣Rose City Scale Racing (Portland, OR) |
| RCSR➣Rainbow Council Scout Reservation (Morris, IL) |