| Acronym | Meaning |
| SDPM | Spin-dependent Photomodulation |
| VNTR | Variable No. Of Tandem Repeat |
| SAFM | Scanning Acoustic Force Microscopy |
| NCP | National Contingency Plan (Superfund) |
| APC | Air Pollution Control |
| PSRI | Planetary Sciences Research Institute |
| RMP2 | Restricted Moeller-Plesset Second-order (perturbation Theory) |
| IRI | Industrial Research Institute |
| RR | Round Robin (test) |
| ETEAO | Even-tempered Exponential Atomic Orbital |