| Acronym | Meaning |
| CCAM | Charge-conserving Approxn. Method (for Quantum Calcns.) |
| OTEC | Open Tubular Electrochromatography |
| SI | Scale Index |
| SEPT | Secular Equation (with) Perturbation Theory |
| EIMS | Environmental Information Management System |
| CAE | Constant Analyzer Energy |
| THESEO | Third European Stratospheric Experiment On Ozone |
| COLD | Chronic Obstructive Lung Disease |
| CHEF | Contour-clamped Homogeneous Field Electrophoresis |
| GLP | Glucagon-like Peptide |