| Acronym | Meaning |
| NTO | Natural Transition Orbital Method (for Excited States) |
| DIPP | Deformed Inverse-power Potential |
| GALE | Genesis Of Atlantic Lows Experiment |
| CCGT | Combined Cycle Gas Turbine |
| CONFU | Conference On Fair Use |
| SEE | Space Environment And Effects |
| GIAO | Gage-independent Atomic Orbital |
| NNLS | Non-negative Least-squares |
| CCD | Chemical Composition Distribution [of Polymers] |
| TMC | Thick Molding Compound |