| Abbreviation | Definition |
|---|---|
| ADH | Article Display Hook |
| ADI | Austempered Ductile Iron |
| ADIO | Above Down Inside Out |
| ADIS | Angle Detecting Inclined Sensor |
| ADL | Average Days Late |
| ADS | Air Distribution System |
| ADS | Aircraft Dependent Switch |
| ADV | Auto Delivery Valve |
| ADVP | Advance Product Quality Planning |
| ADW | Automatic Dish Washing |
| AE | Actuator Error |
| AEC | Automotive Electronic Component |
| AECT | Advanced Electronically Controlled Transmission |
| AECT | Atlas End Cap Toroid magnet |
| AED | Automatic Engine Disable |
| AEJ | Aluminum Expansion Joint |
| AEM | Advanced Engine Management |
| AEMSA | American E-liquid Manufacturing Standards Association |
| AEP | All Electro Plating |
| AEPP | Appearance Enhancement and Protection Package |