| Acronym | Meaning |
| RRHO | Rigid Rotor-harmonic Oscillator (approxn.) |
| SPCE | Screen-printed Carbon Electrode |
| HFPP | Hartree-Fock Pseudopotential |
| SCRPA | Separated Channel RPA |
| MSA | Many-trajectory Semiclassical Approxn. (in At.-collision Theory) |
| SBS | Stimulated Brillouin Scattering |
| ATLAS | Airborne Tunable Laser Absorption Spectrometer |
| CNC | Condensation Nucleus Counter |
| ICD | Implantable Cardioverter Defibrillator |
| FECO | Fringes Of Equal Chromatic Order |