| Abbreviation | Definition |
|---|---|
| AT | Attrition Test |
| ATA | Allocation To Assets |
| ATA | Allowcation To Assets |
| ATAE | Actual Tasks On Agricultural Engineering |
| ATAE | Adolph Thal Audio Engineering |
| ATAE | Advanced Telecommunications Application Environment |
| ATE | Applied Thermal Engineering |
| ATE | Aptitude Test in Engineering |
| ATEAS | American Transactions on Engineering Applied Sciences |
| ATEE | Advanced Topics in Electrical Engineering |
| ATES | Advanced Technology and Engineering Services |
| ATIP | Application Targeted and Integrated Photovoltaics |
| ATR | Adaptive Temporal Recursion |
| AUEEE | Annamalai University Engineering Entrance Exam |
| AUSC | Advance Ultra Super Critical |
| AV | Adjusting Valve |
| AVEC | Added Value Engineering Consultants |
| AW | Adequately Wet |
| AWE | Active Wave Engineering |
| AWE | Advancing Women in Engineering |