Science Abbreviations and Acronyms
- OPRDOrganic Process Resoarch & Development
- OPRDOrganic Process Research and Development
- OPREOffice of Planning, Research & Evaluation
- OPRROffice for Protection From Research Risks
- OPRROffice of Protection From Research Risks
- OPRROffice for The Protection From Research Risks
- OPRUObstetric-Fetal Piarmacology Research Units
- OPSOperations
- OPSBusiness Operations
- OPSOffice of Pharmaceutical Science
- OPSOffice of Pharmaceutical Sciences
- OPSOffice of Price Stabilization
- OPSOpen Pulled Straws
- OPSOrganisation PanaméRicaine De La Santé
- OPSOverlapping Pathway Screening
- OPSOverpressure Protection System
- OPSOptical Sensor
- OPSAOak Park String Academy
- OPSATOperational Satellite
- OPSCObserving Programme Suppoft Centre
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