| Acronym | Meaning |
| LAOCOON | Least-squares Adjustment Of Calculated On Observed NMR Spectra |
| SMAW | Shielded Metal Arc Welding |
| XPM | Cross-phase Modulation |
| LEMA | Least Error Matrix Analysis |
| LHSV | Liquid Hourly Space Velocity |
| APUHF | Approximately Projected Unrestricted Hartree-Fock |
| AEAPS | Auger-electron Appearance-potential Spectroscopy |
| GRI | Gas Research Institute |
| ECMRA | European Chemical Market Research Association |
| AWRG | Acid Waters Review Group (UK) |