| Acronym | Meaning |
| ASA | Alkenylsuccinic Anhydride |
| TREPR | Time-resolved Electron Paramagnetic Resonance |
| TBN | Total Base Number |
| XNBR | Carboxylated Nitrile Rubber |
| MCPI | Monte Carlo Path Integration |
| SGGA | Symmetric Group Graphical Approach (in CI Calcns.) |
| SPEMC-SCF | Selected Paired Excitational Expansion Multiconfiguration-SCF |
| FUBAR | F(ouled) Up Beyond Recognition |
| EARISS | Energy And Angle Resolved Ion Scattering Spectroscopy |
| HOEF | Harmonic Oscillator With External Field Model (in Collisions) |