| Acronym | Meaning |
| TBPO | Terbutylperoctoate |
| IA | Impulse Approximation |
| LAOM | Localized At. Orbital Method (in Electronic Structure Calcn.) |
| GCHAZ | Grain-coarsened Heat-affected Zone |
| PCO | Perturbational Crystal Orbital |
| IPOD | International Phase Of Ocean Drilling |
| IERM | Intermediate Energy R-matrix (theory In Scattering Calcns.) |
| TSA | Thermal Swing Adsorption |
| SPM | Scanning Probe Microscopy |
| NSE | Neuron-specific Enolase |