Scientific & Educational Abbreviations and Acronyms

1. ORV
   Outstanding Remarkable Value
2. OS
   Operating System
3. OS
   Optics and Spectroscopy
4. OS
   Optical Sensor
5. OS
   Ordnance Survey
6. OS
   Orzya Sativa
7. OS
   on-orbit station
8. OS
   Osmium
9. OSA
   Optical Society of America
10. OSA
    Oakland School for the Arts
11. OSA
    Old Statistical Account
12. OSA
    olefin modified styrene acrylonitrile
13. OSA
    Office for Student Affairs
14. OSAJ
    Optical Society of America Journal
15. OSAPH
    Oxford Studies In Ancient Philosophy
16. OSAR
    Odessa State Academy of Refrigeration
17. OSB
    Operations Software Branch
18. OSB
    Oregon School for the Blind
19. OSBA
    Oregon School Boards Association
20. OSBP
    Ohio State Biochemistry Program

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