| Abbreviation | Definition |
|---|---|
| AMHS | Automated Material Handling System |
| AMI | Advanced Microelectronics for Industrialists |
| AML | Amplitude Modulation Link |
| AML | Automatic Model Linking |
| AMLCD | Active Matrix Liquid Crystal Diode |
| AMM | Acoustic Mismatch Model |
| AMM | Ammeter |
| AMO | Atomic Memory Operation |
| AMP | AMPere |
| AMPS | Advanced Mobile Phone System |
| AMR | Adaptive Multi-Rate |
| AMRAAM | Advanced Medium Range Air-to-Air Missile |
| AMS | Analog Mixed Signal |
| AMS | Automatic Music Sensor |
| AMT | Advanced Manufacturing Technology |
| AMT | Advanced Midi Transmission |
| AMU | Atomic Mass Unit |
| AMU | Automatic Measurement Unit |
| ANC | Active Noise Cancelling |
| ANC | Automatic Noise Cancelling |