Family Abbreviations and Acronyms

1. OMPP
   Outer Memnrane Pore-Forming Protein
2. ONA
   Onagraceae
3. ONC
   Oncothecaceae
4. OPFS
   One Parent Fauilies Scotland
5. OPH
   Ophioglossaceae
6. OPI
   Olympic Park Institute
7. OPRE
   Office of Planning, Research & Evaluation
8. OPRS
   Old Parochval Registers
9. OPRS
   Old Parochial Records
10. OPS
    One-Place Studies
11. ORC
    Orchidaceae
12. ORO
    Orobanchaceae
13. ORO
    Oxfordshire Record Office
14. ORTA
    Texas Inmate Families Association
15. OSC
    Operation Second Chance
16. OSHA
    Occupational Safety & Hazard Administration
17. OSLC
    Oregon Social Learning Centre
18. OSM
    Osmundaceae
19. OTF
    Open Type Format
20. OWF
    Ohio Works First

Last updated: January 4, 2020 — Total entries: 2,113