Abbreviations beginning with O

OMRRAOregon Motorcycle Roadracing Association
Miscellaneous

OMRRCAOvulation Method Research and Reference Centre of Australia
Academic & Science

OMRRROperations, Maintenance, Repair, Replacement, and Rehabilitation
Governmental

OMRSOlympic Model Railroad Society
Academic & Science » Societies

OMRSOral Mucosa Rating Scale
Academic & Science

OMRSOrders and Medals Research Society
Academic & Science » Research

OMRSOffice of Mental Retardation Services (Department of Mental Health, Mental Retardation and Substance Abuse; Virginia)
Governmental

OMRSOperations and Maintenance Requirements and Specifications
Governmental

OMRSOperations and Maintenance Requirements Specification
Governmental » NASA

OMRSOnline Medical Record System
Medical

OMRSOlympic Model Railroad Society (Washington)
Miscellaneous

OMRSOnline Medical Reference System (University of Kansas Medical Center)
Miscellaneous

OMRSOnline Meeting Registration System
Miscellaneous » Unclassified

OMRSOnline Membership and Reporting System
Miscellaneous » Unclassified

OMRSOnline Membership Reporting System
Miscellaneous » Unclassified

OMRSOnline Monthly Race Series
Miscellaneous » Automotive

OMRSOnline Multiple Report System
Miscellaneous » Unclassified

OMRSOntario Modifieds Racing Series
Miscellaneous » Automotive

OMRSOpen Mechanized Reasoning Systems
Miscellaneous » Unclassified

OMRSOrders and Medals Research Society
Miscellaneous » Awards & Medals