| Acronym | Definition |
|---|
| RCCR➣Red Chlorophyll Catabolite Reductase (plant biology) |
| RCCR➣Radio Control Club of Rochester (Rochester, NY) |
| RCCR➣Relate, Create, Convict, Reveal (sales methodology) |
| RCCR➣Rotary Club of Colombo Regency (Sri Lanka) |
| RCCR➣Reverse Current Cut-out Relay |
| RCCR➣Responsible Conduct of Clinical Research |