Physics Abbreviations and Acronyms

1. OFS
   Österreichisches Forschungszentrum
2. OG
   Orientation Group
3. OGB
   Original Grain Boundary
4. OHEP
   Office of High Energy Physics
5. OIML
   International Organization of Legal Metrology
6. OJI
   Outstanding Juniir Investigator
7. OJPS
   Online Journal Publishing Service
8. OLED
   Organic Light-Emitting Diode
9. OMEGA
   24-Beam Laser Facility at Rochester
10. OMH
    National Office of Measures (Hungary)
11. OMNIS
    Observatory for Multiflavor Neutrinos From Supernovae
12. OMPI
    Ottawa Medical Physics Institute
13. ONR
    Office of Naval Research (U.S.)
14. OOS
    Optics Online Store
15. OP
    Opacity-Project
16. OP
    Opening Pressure
17. OPA
    Optical Parametric Amplifier
18. OPAL
    Omni Purpose Apparatus for LEP, at CERN
19. OPAL
    Open Physics Abstraction Layer
20. OPALS
    Optronic, Photonic, and Advanced Laser Simulator

Last updated: May 6, 2025 — Total entries: 5,354