| Acronym | Meaning |
| NEET | Nuclear Excitation In Electronic Transition |
| ESFF | Extensible Systematic Force Field |
| NAIM | Nucleotide Analog Interference Mapping |
| ICRMS | Ion Cyclotron Resonance Mass Spectrometry |
| LHEA | Laboratory For High Energy Astrophysics |
| MISA | Municipal-Industrial Strategy For Abatement |
| ABF | Activated Biofilter |
| NCMET | Nonclosed Shell Many Electron Theory |
| NNSA | National Nuclear Security Administration |
| NEVE | Nonempirical Valence Electron Method |