Scientific & Educational Abbreviations and Acronyms
- OJAOxford Journal of Archaeology
- OJOAOxford Journal of Archaeology
- OJTOn-The-Job-Training
- OKOld Keokuk
- OKOklahoma
- OKCSOklahoma Climatological Survey
- OKGOrnithine Alpha-Ketoglutarate
- OKLAOklahoma
- OKTOne Two Three Airlines
- OKTOrnithine Ketoacid Amino-Transferase
- OKUUniversity of Oklahoma
- OLOleic Acid
- OLOptics Letters
- OLOnline Learning
- OLAOligonucleotide Ligation Assay
- OLAOff-Line Analysis
- OLADEOrganisation latino-américaine de l'énergie
- OLCCOn Line Chemistry Course
- OLCIOcean and Land Colour Instrument
- OLEObject Linking and Embedding
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