Legal Abbreviations and Acronyms

1. OSO
   Orbiting Solar Observatory
2. OSR
   Office of Sponsored Research
3. OSSE
   Observing System Simulation Experiment
4. OSTI
   Office of Scientific and Technical Information (DOE)
5. OSTP
   Office of Science and Technology Policy
6. OSU
   Oregon State University
7. OT
   Old Testament
8. OTA
   Office of Technology Assessment (U.S.; abolished by Congress, Fall 1995)
9. OTC
   Over The Counter (medications not requiring a prescription)
10. OTEC
    Ocean Thermal Energy Conversion
11. OTHS
    Others
12. OTM
    Out-Of-The-Money
13. OTOB
    Oesterreichische Termin Und Optionborse
14. OTOOH
    Over The Top
15. OTT
    One Two Three Airlines
16. OTT
    Over The Top
17. OUT
    One Two Three Airlines
18. OUTL
    Outline
19. OUTLN
    Outline
20. OWS
    Ocean Weather Station

Last updated: May 24, 2020 — Total entries: 8,100