| Acronym | Meaning |
| HASTE | Half-Fourier Acquisition With Single-shot Turbo Spin-echo |
| BRE | Bond Resonance Energy |
| PIAMS | Photoionization Aerosol Mass Spectrometry |
| MR-ACPF | Multireference-averaged Coupled Pair Functional |
| OGDR | Optogalvanic Double Resonance |
| N-BOD | Nitrogenous Biochemical Oxygen Demand |
| DEFT | Driven Equilibrium Fourier Transform |
| GBT | Generalized Brillouin Theorem |
| CSCF | Complex Self-consistent Field |
| FNTS | Fast Neutron Transmission Spectroscopy |