Scientific & Educational Abbreviations and Acronyms

1. OP
   Opening Pressure
2. OP
   Operator
3. OP
   Osmotic Pressure
4. OP
   Osteopontin
5. OP
   Oxidative Phosphorylation
6. OP
   Organophosphate
7. OP
   Open Pollinated
8. OP CIT
   Opere Citato
9. OP CIT
   in the work cited
10. OPA
    Oil Pollution Act of 1990
11. OPA
    Opaque, White Type of Ice Formation
12. OPA
    Optical Parametric Amplifier
13. OPACHE
    Open Panel of CHy Experts
14. OPAG
    Open Programme Area Group
15. OPAG
    Outer Planets Assessment Group
16. OPAG-DPFS
    Open Programme Area Group on Data Processing and Forecasting System
17. OPAG-IOS
    Open Programme Area Group On Integrated Observing Systems
18. OPAG-ISS
    Open Programme Area Group On Information Systems and Services
19. OPAG-PWS
    Open Programme Area Group on Public Weather Services
20. OPAG-WWRP
    OPAG on World Weather Research Programme

Last updated: May 24, 2020 — Total entries: 44,184