| Acronym | Meaning |
![](file.png) | ABAQUS | Finite-element Computer Code |
![](file.png) | ABB | Asea Brown Boveri |
![](file.png) | ABC | Aerobiochemical |
![](file.png) | ABC | Accelerator-based Conversion |
![](file.png) | ABC | Advanced Ball Concept |
![](file.png) | ABE | Army Background Experiment |
![](file.png) | ABES | Alliance For Balanced Environmental Solutions |
![](file.png) | ABFEL | Air-based Free-electron Laser |
![](file.png) | ABHX | Air Blast Heat Exchanger |
![](file.png) | ABL | Airborne Laser |
![](file.png) | ABL | Atmospheric Boundary Layer |
![](file.png) | ABLE | Activity Balance Line Evaluation |
![](file.png) | ABLE | Amazon Boundary Layer Experiment |
![](file.png) | ABLE-2B | Arctic/Atlantic/Atmospheric Boundary Layer Experiment |
![](file.png) | ABM | Antiballistic Missile |
![](file.png) | ABRES | Advanced Ballistic Re-entry System |
![](file.png) | ABRV | Advanced Ballistic Re-entry Vehicle |
![](file.png) | ABS | Automatic Backup Shutdown |
![](file.png) | ABS-SC | Automatic Backup Shutdown Of Safety Computer |
![](file.png) | ABTRES | Abatement & Residual Forecasting Model |
![](file.png) | ABV | Auxiliary Building Ventilation |
![](file.png) | ABWA | American Business Women's Association |
![](file.png) | AC | Alternating Current |
![](file.png) | AC | Adirondac Conference |
![](file.png) | AC | Actual Commitment |
![](file.png) | AC | Advisory Circular/committee |
![](file.png) | AC | Alternating Current |
![](file.png) | AC | Ancho Canyon |
![](file.png) | AC | Area Coordinator |
![](file.png) | ACA | Atmospheric Chemistry Of Aerosols |
![](file.png) | ACA | American Conservation Association |
![](file.png) | ACA | Applied Combinatorial Analysis |
![](file.png) | ACACIA | A Consortium For The Application Of Climate Impact Assessments |
![](file.png) | ACAP (ACAPS) | Advanced Computer For Array Processing |
![](file.png) | ACARS | ARINC Communications And Relay System |
![](file.png) | ACARS | ARINC Communication |
![](file.png) | ACAS | Advisory Committee For Atmospheric Sciences |
![](file.png) | ACATS | Airborne Chromatograph For Atmospheric Trace Species |
![](file.png) | ACB | Air-operated Circuit Breaker |
![](file.png) | ACBM | Asbestos-containing Building Material |
![](file.png) | ACC | Abnormal Condition Control |
![](file.png) | ACC | Abrupt Climate Change |
![](file.png) | ACC | Antarctic Circumpolar Current |
![](file.png) | ACC | Accumulator |
![](file.png) | ACCD | Aircraft Compatibility Control Drawing |
![](file.png) | ACCENT | Atmospheric Chemistry Of Combustion Emissions Near The Tropopause |
![](file.png) | ACD | Atmospheric Chemistry Division |
![](file.png) | ACD | Advanced Conceptual Design |
![](file.png) | ACDA | Arms Control And Disarmament Agency |
![](file.png) | ACDAR | Acoustic Radar |