| Acronym | Meaning |
| EPI | Echo-planar Imaging |
| TBA | True Bicarbonate Activity |
| SMT | Surface Mount Technology |
| WCRP | World Climate Research Programme |
| EPT | Exponential Perturbation Theory |
| MCRPA | Multiconfigurational Random Phase Approxn. |
| HVAC | Heating, Ventilating, Air-conditioning |
| CVBM | Conduction-valence-band Model (in Electronic Structure Calcns.) |
| QCISDT | Quadratic CI (with) Single (and) Double (and) Triple (excitations) |
| CAGE | Controlled Active Global Experiments |