| Acronym | Meaning |
| MCLR | Multiconfigurational Linear Response (an MC-SCF Method) |
| IPPA | Independent Pair-potential Approximation |
| NLMO | Natural Localized Mol. Orbital |
| ACSI | Accelerated Strategic Computing Initiative (for Fusion Reactor) |
| NLLSF | Non-linear Least Square Fitting |
| NIF | National Ignition Facility |
| ASDEX | Axially Symmetric Divertor Expt. |
| BER | Base Excision Repair |
| ABF | Activated Biofilter |
| EFA | Essential Fatty Acid |