OMRS

AcronymDefinition
OMRSOrders and Medals Research Society (est. 1942; UK)
OMRSOnline Medical Reference System (University of Kansas Medical Center)
OMRSOlympic Model Railroad Society (Washington)
OMRSOperations and Maintenance Requirements and Specifications
OMRSOffice of Mental Retardation Services (Department of Mental Health, Mental Retardation and Substance Abuse; Virginia)
OMRSOral Mucosa Rating Scale