| Acronym | Meaning |
| RIOSA | Rotational Infinite Order Sudden Approxn. |
| EDEC | Equal Distances Equal Charges Model |
| TCR | Temperature Coefficient Of Resistance |
| RISM | Reference Interaction Site Model |
| PTSA | Pressure And Temperature Swing Adsorption |
| CAST | Cyclic Activated Sludge Technol. |
| AOB | Adiabatic Oxygen Bomb (calorimeter) |
| CGIAR | Consultative Group On International Agricultural Research |
| APRE | Acute-phase-responsive Element |
| IISRP | International Institute Of Synthetic Rubber Producers |