| Acronym | Meaning |
| IGY | International Geophysical Year |
| CCM | Complex Coordinate Method (in Calcns. On Quantum Tunneling) |
| BTE | Boltzmann Transport Equation |
| CHIGFET | Complementary Heterostructure Insulated Gate Field Effect Transistor |
| PO-TDSE | Periodic Orbit-time Dependent Schroedinger Equation |
| LSM | Land Surface Model |
| SCC | Self-consistent Charge Method |
| TSQMS | Triple-stage Quadrupole Mass Spectrometry |
| EBA | Expanded Bed Adsorption |
| MIDA | Mass Isotopomer Distribution Analysis |