| Acronym | Meaning |
| TEO | Topological Equivalent Orbital |
| SIRIS | Sputter-initiated Resonance Ionization Spectroscopy |
| SORP | Southern Oxidants Research Program |
| SSL | Spent Sulfite Liquor |
| IEAES | Ion Excited Auger Electron Spectroscopy |
| RCNDO/S | Rydberg CNDO/screened |
| BIFL | Burst Integrated Fluorescence Lifetime |
| MLPCA | Maximum Likelihood Principal Component Analysis |
| IISRP | International Institute Of Synthetic Rubber Producers |
| HAMS | Helium Atoms Measurement System |