| Acronym | Meaning |
| ESA | Energy Sudden Approxn. (in Calcns. On Reactive Scattering) |
| ALR | Airlift-loop Reactor |
| TRIP | Transformation Induced Plasticity |
| GIAO | Gage-including Atomic Orbital |
| MIRAGE | Migration Of Radioisotopes In The Geosphere |
| CAN | Cellulose Acetate Nitrate |
| MS-RHFR | Momentum-space Restricted Hartree-Fock-Roothaan |
| IFFD | Intermittently Fed Fill And Draw System |
| ESEDD | Excited State Electron Density Differential Method |
| ABHP | American Board Of Health Physics |