| Abbreviation | Definition |
|---|---|
| ACAM | Aachen Center for Additive Manufacturing |
| ACCM | Additive Ceramic Component Manufacturing |
| ACCP | Area Control Code Positions |
| ACD | Aircraft Certification Document |
| ACL | A Continuous Lean |
| ACM | alternating current motor |
| ACMC | Advanced Composites Manufacturing Centre |
| ACME | Architecture Construction Manufacturing Engineering |
| ACO | Administrative Contracting Officer |
| ACO | Authority for Change Order |
| ACT | Automatic Carriage Transfer |
| ACTM | Alberta Cell Therapy Manufacturing |
| ACWP | Actual Cost of Work Performed |
| AD | Air Diffusion |
| ADD | Attrribute-Driven Design |
| ADL | Applicable Documents List |
| ADM | Additive Design Manufacturing |
| ADM | Advanced Design Manufacturing |
| ADM | Analysis Data Management |
| ADML | Additive Design and Manufacturing Lab |