Chemistry Abbreviations and Acronyms

1. OPPTS
   Office for Prevention
2. OPRD
   Organic Process Resoarch & Development
3. OPRD
   Organic Process Research and Development
4. OPSE
   Optically Pumped Stimulated Emission
5. OPT
   Optical Grade Solvent
6. OPTS
   Office of Pesticides and Toxic Substances
7. OPTS
   Office of Pesticides and Toxic Substances (usepa)
8. OPW
   Orthogonalized Plane Wave
9. OPWC
   Organisation for The Prohibition of Chemical Weapons
10. OQMD
    Open Quantum Materials Database
11. OQS
    Occupied Quantum State
12. OR
    Odds Ratios
13. OR
    Oxidation-Reduction
14. ORAC
    Organic Reaction Accessed By Computer
15. ORACLE
    Ozone Research Using Advanced Cooperative Lidar Experiment
16. ORAQI
    Oak Zidge Air Quality Index
17. ORAU
    Oxford Radiocarbon Accelerator Unit (university of Oxford)
18. ORBIT
    On-Line Retrieval of Bibliographic Information Timesharing
19. ORCA
    Optical Resonance Cavity Analyzer
20. ORCS
    Organic Reactions Catalysis Society

Last updated: August 16, 2021 — Total entries: 20,930