OT
| Abbreviation | Meaning | Tamil Meaning | Category |
|---|---|---|---|
| OT | Operating Time | - | Organizations |
| OT | Operational Instrumentation MDM-Tank | - | Organizations |
| OT | Operational Test | - | Organizations |
| OT | Operational Trajectory | - | Organizations |
| OT | Optical Tracker | - | Organizations |
| OT | Out Temperature | - | Organizations |
| OT | Overti Me | - | Organizations |
| OT | Off Topic | - | Sms Text Smileys and Emoticons |
| OT | Off Topic | - | ISO Country Codes |
| OT | Optical Techniques Group | - | Business and Finance |