| Acronym | Meaning |
| EBT | Electron Beam Tomography |
| OCIS | OSHA Computerized Information System |
| LRT | Long Range Transport |
| NWIS | Nuclear Weapons Identification System |
| VSWR | Voltage Standing Wave Ratio |
| IFPM | Independent Fermi Particle Model (in Atom-ion Impact Ionization) |
| CARS | Corrective Action Reporting System (now Known As RCRIS) |
| ABR | Auditory Brainstem Response |
| DGD | Decision Guidance Documents |
| SSLP | Single-sequence Length Polymorphism |