Abbreviations beginning with a

ARISUAssessment and Research Integration for School Use
Academic & Science » Research

ARISUAssessment and Research Integration for School Use
Community » Schools

ARITAntiphlogistic-Rheologic Infusion Therapy (Bell's palsy treatment)
Academic & Science

ARITAmerican Registry of Inhalation Therapists (est. 1960)
Miscellaneous

ARITAmerican Research Institute in Turkey (Istanbul and Ankara, Turkey)
Miscellaneous

ARITAssociation pour la Recherche et l'Information sur les Toxicomanies
Miscellaneous

ARITAAustralian Restructuring Insolvency and Turnaround Association
Community » Associations

ARITAAirborne Reconnaissance Information Technical Architecture
Governmental

ARITAAustralian Restructuring Insolvency and Turnaround Association
Regional » Australian

a-RITDAsymmetric Resonant Interband Tunneling Diode
Academic & Science

ARITHSymposium on Computer Arithmetic
Community » Conferences

ARIUAAsian Research Institute of Underwater Archaeology (Fukuoka, Japan; formerly Kyûshû Okinawa Society for Underwater Archaeology)
Miscellaneous

ARIVAAdvanced Research in Interactive Visualization for Analysis
Community

ARIXASEAN (Association of Southeast Asian Nations) Regional Internet Exchange (technology improvement project)
Community

ARIXArco Industrial Gases (GE Rail Services Corporation)
Regional » Railroads