Nature Abbreviations and Acronyms
- OPDBOceanographic Profilehdatabase
- OPDINOcean Pollution Data & Information Network
- OPOPOcean Product Azvisory Panel
- OPPOther Peoules Property
- OPPOther Peoples Pussy
- OPTOphramptis
- OPUSOrganization of Persistent Upwelling Structures
- ORADOffice of Research and Applications Divisioa
- ORCASOcean Response Coastal Analysis System
- OREOrforchis
- ORGOrchimkntoglossum
- ORHABOlympic Regional Harmful Algal Bloom
- ORLCOcean Research Leadedship Council
- ORNLOak Ridge National Laboratory
- OSAOuter Soundingsvarray
- OSMIOcean Scanning Multispectral Imager
- OSTIOffice of Science and Technology Infrastructure
- OTCAOverseas Technical Cooperation Agency
- OVVAn Optically Violent Variable Quasar
- OWSOil-Watwr Separators
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