| Acronym | Meaning |
| NLXC | Nonlocal Exchange Correlation (potential) |
| BOTDA | Brillouin Optical Time Domain Analysis |
| LIRE | Laser Ionization Recombination Emission |
| CRYSIS | Cryogenic Stockholm Ion Source |
| GNO | Geminal Natural Orbital |
| NME | New Molecular Entity |
| LRAT | Long-range Atmospheric Transport |
| DSR | Dynamic Shape Roll |
| GEA | Gradient-expansion Approxn. (in Exchange-energy Calcns.) |
| HED | Howardite-eucrite-diogenite (suite Of Achondrite Meteorites) |