| Abbreviation | Definition |
|---|---|
| ADD. | addition |
| ADDN | Addition |
| ADDN. | addition |
| ADDTN. | addition |
| ADG | Architectural Design Group |
| ADG | Architectural Detail Group |
| ADGD | Architectural Design and Global Difference |
| ADHA | Advanced Data Handling Architecture |
| ADIP | architecture design innovation program |
| ADL | Architecture Description Language |
| ADM | Architecture Development Methodology |
| ADM | Architecture Driven Modernization |
| ADM | Atomic Demolition Munitions |
| ADORA | Analysis and Description of Requirements and Architecture |
| ADR | Architectural Design Resource |
| ADRB | Architectural Design Review Board |
| ADRB | Architecture and Design Review Board |
| ADRB | Architecture Design Review Board |
| ADs | Architectural decisions |
| ADTM | Arc De Triumphe Model |