| Acronym | Meaning |
| RAPW | Relativistic Augmented Plane Wave |
| WHSV | Wt. Hourly Space Velocity |
| TDSCF | Time-dependent Self-consistent Field |
| QCI | Quadratic Configuration Interaction |
| ROBO | Rotating Bond Order (model In Potential Surface Calcns.) |
| PCPAA | Prompt Charged Particle Activation Analysis |
| INFERNO | Irradiation Of Narrow Frequency Envelopes By Repeated Nutation And Orbiting |
| NIR | Near Infrared |
| SNIF | Site-specific Natural Isotope Fractionation |
| OPGF | One-particle Green Function |