| Acronym | Meaning |
| TCM | Tunneling Current Microscopy |
| TDCC | Time-dependent Coupled-cluster |
| CCSDTQP | CCSDTQ (and) Pentuple (excitations) |
| LTMED | Low Temperature Multi-effect Distillation |
| EX-MEG | Excited-mixed Exponentially Generated (wave Function) |
| LIPS | Lanthanide Ion Probe Spectroscopy |
| PCI | Perturbative Configuration Interaction |
| ESMS | Electrospray Ionization Mass Spectrometry |
| BPJ | Best Professional Judgement |
| HEU | Highly Enriched Uranium |