| Acronym | Meaning |
| NADA | New Animal Drug Application |
| DAF | Diallyl Fumarate |
| NKA | (Na2O + K2O)/Al2O3 |
| CNDO/FK | Complete Neglect Of Differential Overlap/ Fischer-Kollmar |
| SSE | Spinless Salpeter Equation |
| LEU | Low Enrichment Uranium |
| IDA | Interdigitated Array (microelectrodes) |
| LSDA | Local Spin Density Approximation |
| NSSDC | National Space Science Data Center |
| IPT | Iterated Perturbation Theory |