| Acronym | Meaning |
| LOMO | Lowest Occupied Molecular Orbital |
| HMM | Hidden Markov Model |
| DPH | Diamond Pyramid Hardness |
| PWBA-R | Plane-wave Born Approxn. With Relativistic Effects |
| SUCCESS | Subsonic Aircraft: Contrail And Cloud Effects Special Study |
| MSL | Mean Sea Level |
| WRITE | Waste Reduction Innovative Technology Evaluation (US EPA) |
| DLVO | Derjaguin, Landau, Verwey, And Overbeek Theory |
| BPB | Bromophenol Blue |
| PSL | Photostimulated Luminescence |