AARR

AcronymDefinition
AARRArbitrarily Applicable Relational Responding
AARRAverage Annual Rate of Reduction
AARRAnnual Aggregate Revenue Requirement
AARRAssociation of American Railroads
AARRArgonne Advanced Research Reactor
AARRAlan Aragon's Research Review (fitness research journal)
AARRAktiebolaget Atomenergi Research Reactor
AARRAmerican Association of Railroads (usually seen as AAR)
AARRApproval, Adjustment & Reject Response (healthcare)
AARRAverage Accounting Rate of Return