| Acronym | Meaning |
| ROVP | Reactance Operator Variational Principle |
| ALARP | As Low As Reasonably Practicable |
| PCE | Tetrachloroethylene (perchloroethylene Or Perk) |
| RRS | Resonance Rayleigh Scattering |
| GFIS | Gas Field Ion Source |
| SRCCSDT | Single-reference Coupled-cluster (with) Single (and) Double (and) Triple (excitations) |
| CTEB | Carcinogenesis And Toxicologic Evaluation Branch |
| RFGD | Radio-frequency Glow Discharge |
| CLRC | Central Laboratory Of The Research Councils |
| MOEXP | Morse Oscillator Exponential Repulsion Potential |