| Acronym | Definition |
|---|
| ESTAR➣Electronically Scanned Thinned Array Radiometer |
| ESTAR➣eScience Telescopes for Astronomical Research (UK) |
| ESTAR➣Electronically Steered Thinned Array Radiometer (NASA) |
| ESTAR➣European Standard Travel Agent Registry |
| ESTAR➣Early Scheduling Toolset for Automated Range |