| Acronym | Meaning |
| AFRSI | Advanced Flexible Reusable Surface Insulation |
| CID | Collision-induced Dissociation |
| PQL | Practical Quantitation Levels (of Pollutants |
| AERO | Association For Excellence In Reactor Operations |
| ORV | Optical Retardation Velocity |
| EXAMS | Exposure Analysis Modeling System |
| AFCEE | Air Force Center For Environmental Excellence |
| STR | Short Tandem Repeat |
| RUSTIC | Risk Of Unsaturated/saturated Transport And Transformation Of Chemical Concentrations |
| ETANN | Electronically Trainable Analog Neural Network |