| Acronym | Meaning |
| SCA | Semiclassical Approximation |
| SURF III | Synchrotron UV Radiation Facility (at NIST) |
| IA | Impulse Approximation |
| SRAM | Static Random Access Memory |
| PRS | Perturbed Rotational State (method For Ion-mol. Collisions) |
| ATOC | Acoustic Thermometry Of Ocean Climate |
| DOE | Department Of Energy |
| IWIC | International Waste Identification Code |
| ETI | Environmental Testing Industry |
| APSGF | Antisymmetrical Product Of Strongly Orthogonal Group Functions (a Wave Function) |