OD
| Abbreviation | Meaning | Tamil Meaning | Category |
|---|---|---|---|
| OD | Order-Disorder (in Mineral Structure) | - | Computer Acronyms(common) |
| OD | Optical Density | - | Computer Acronyms(common) |
| OD | Right Eye | - | Medical(slang) |
| OD | Overdose | - | Medical(slang) |
| OD | Operational Downlink/Downlist | - | Organizations |
| OD | Operations Directive | - | Organizations |
| OD | Outside Diameter | - | Organizations |
| OD | Oxygen Drain | - | Organizations |
| OD | Ocean Diver (BSAC) | - | SMS Chat and Text |
| OD | Old Dragon - Ordnance Datum (nautical Charts) -Overdose | - | Astronomy |
| OD | Outside Diameter | - | Business and Finance |