| Acronym | Meaning |
| NAT | Nitric Acid Trihydrate (polar Stratosphere Cloud Aerosol) |
| ETSAP | Energy Technology Systems Analysis Program |
| ASW | Amorphous Solid Water |
| BHR | Bronchial Hyperresponsiveness |
| MERIE | Magnetically Enhanced Reactive Ion Etching |
| RPTP | Receptor Protein Tyrosine Phosphatase |
| DOT | Department Of Transportation |
| NODS | NASA Ocean Data System |
| LAPW | Linearized Augmented Plane Wave (for Band-structure Calcns.) |
| TNS | 6-p-Toluidino-2-naphthalenesulfonic Acid |