| Acronym | Meaning |
| SCFX-CI | Excited-state Self-consistent Field Configuration Interaction |
| ETIC | Environmental Teratology Information Center |
| FEL | Fixed Emission Limit |
| NRMA | Nonresonant Microwave Absorption |
| STORMS | Nevada Study And Tests Of The Release Of Mercury From Soils |
| BCR | B Cell Receptors |
| LOC | Level Of Concern |
| PALS | Positron Annihilation Lifetime Spectroscopy |
| CFFE | Cumulative Fissile Fuel Enrichment |
| G1 | Gaussian-one (theory For Calcg. Mol. Energies) |