| Acronym | Meaning |
| UHFQ | Unrestricted Hartree-Fock With Quartet Annihilation |
| DCEL | Direct Current Electroluminescent |
| SCADS | Superfund Chemical Analysis Data System (see CARD) |
| DLCA | Diffusion Limited Cluster Aggregation |
| PSCA | Periodic Small-cluster Approach (a Many-body Technique In Electronic-structure Calcns.) |
| STOL | Short Take-Off And Landing |
| HVPE | Hydride Vapor Phase Epitaxy |
| INID | Internationally Agreed Numbers For The Identification Of Data |
| CRHF | Complex-restricted Hartree-Fock |
| TALMS | Tunable Atomic Line Molecular Spectroscopy |