ETR
| Abbreviation | Meaning | Tamil Meaning | Category |
|---|---|---|---|
| ETR | Eastern Test Range | - | Atmospheric Research Center |
| ETR | Eastern Test Range | - | Organizations |
| ETR | Eastern Test Range (ESME Preferred) | - | Organizations |
| ETR | Element Test Review | - | Business and Finance |
| ETR | external timing reference | - | Human Genome |