English abbreviations from ocua to odas
- OCUA (Ottawa Carleton Ultimate Association)
- OCUC (Owatonna College University Center)
- OCV (Open Circuit Voltage)
- OCW (Warren Field)
- OCX (OLE Control Extension)
- OCY (Oakland County Youth)
- OCYA (Oakland County Youth Assistance)
- OCZ (Output, CMOS levels, Tri-stateable)
- OD (Doctor of Optometry)
- O.D. (Right eye)
- ODA (Out-of-Door Academy)
- ODAA (Open Door Adoption Agency)
- ODAB (Octyl-p-(Dimethyl-Amino)- Benzoate)
- ODAR (Office of Development and Alumni Relations)
- ODAS (OCA-DLR Asteroid Survey)
