| Acronym | Meaning |
| CNDO/IP | Complete Neglect Of Differential Overlap/ionization Potential |
| HASI | Huygens Atmospheric Structure Instrument |
| SAAO | Symmetry-adapted Atomic Orbital |
| ECPMET | Extended Coupled Pair Many Electron Theory |
| ESID | Environmental Statistics And Information Division |
| SCRIMP | Seemann Composites Resin Infusion Under Flexible Tooling [plastics Molding] |
| GAMP | Global Atmospheric Measurements Program |
| AIADC(3) | Ab Initio Third-order Algebraic Diagrammatic Construction Green Function Method |
| NRMA | Nonresonant Microwave Absorption |
| HIGFET | Heterostructure Insulated Gate Field Effect Transistor |