| Acronym | Meaning |
| PWM | Pulse Width Modulation |
| RIA | Regulatory Impact Analysis |
| ADME | Absorption |
| EBS | Engineered Barrier System (for Hazardous Waste Disposal) |
| CELSIUS | Cooling With Electrons And Storing Of Ions From The Uppsala Synchrocyclotron |
| AOAC | Association Of Official Analytical Chemists |
| SLAPW | Superlinearized Augmented Plane Wave |
| DSC | Differential Scanning Calorimetry |
| FADD | Fas-associated Death Domain Protein |
| NARS | National Asbestos Registry System |