| Acronym | Meaning |
| AFSEF | AIRS Facility Subsystem Emission Factors |
| PGIP | Polygalacturonase-inhibiting Protein |
| AOB | Adiabatic Oxygen Bomb (calorimeter) |
| RC(XI) | (fully) Correlated Relativistic Local-density |
| R-GVB | Resonating-generalized Valence Bond (wave Function) |
| CSRS | Coherent Stokes-Raman Spectroscopy |
| CPF | Coupled-pair Formalism |
| PRA | Plasma Renin Activity |
| SACM | Statistical Adiabatic Channel Method (in Ion-mol. Reactions) |
| AAO | Acetaldehyde Oxime |