| Acronym | Definition |
|---|
| AARR➣Arbitrarily Applicable Relational Responding |
| AARR➣Average Annual Rate of Reduction |
| AARR➣Annual Aggregate Revenue Requirement |
| AARR➣Association of American Railroads |
| AARR➣Argonne Advanced Research Reactor |
| AARR➣Alan Aragon's Research Review (fitness research journal) |
| AARR➣Aktiebolaget Atomenergi Research Reactor |
| AARR➣American Association of Railroads (usually seen as AAR) |
| AARR➣Approval, Adjustment & Reject Response (healthcare) |
| AARR➣Average Accounting Rate of Return |