| Acronym | Meaning |
| ASLE | American Society Of Lubrication Engineers (USA |
| LCCD | Linear Coupled-cluster (method With) Double (excitations) |
| RRHO | Rigid Rotor-harmonic Oscillator (approxn.) |
| RSC | Risk Specific Concentration |
| BSCO | Break Specific Carbon Monoxide |
| TBLMTO | Tight-binding Linear (combination Of) Muffin-tin Orbitals |
| APHIS | Animal And Plant Health Inspection Service |
| ISES | International Solar Energy Society |
| TDMF | Time-dependent Mean Field |
| SLE | Solid-liquid Equilibria |