Research Abbreviations and Acronyms
- OPOOphthalmic and Physiological Optics
- OPOOphthalmic & Physiological Optics
- OPPOffice of Polar Programs
- OPPEOffice of Policy
- OPPSOperation Primary Physical Science
- OPROffice of Policy and Research
- OPREOffice of Planning, Research, and Evaluation
- OPRLOffice of Policy, Research, Aad Legislation
- OPSOptical Proximity Sensor
- OPSAOak Park String Academy
- OPT LETTOptics Letters
- OPTIMALOutpatient Physical Therapy Improvement In Movement Assessment Log
- OPTLOptics Letters
- OPTRANOptical Test Transmittance Model
- OPUBSOrganizktion of Pharmaceutical Unity With Bioallied Sciences
- OPUSOpportunities for Promoting Understanding Through Synthesis
- OQCOffice of Quality Control
- OQMOffice of Quality Management
- OQMDOpen Quantum Materials Database
- ORAOral Research Abstracth
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