| Acronym | Meaning |
| HOMO | Highest Occupied Molecular Orbital |
| AGU | American Geophysical Union |
| ODFS | Optimized Dirac-Fock-Slater |
| LCAS MS | Linear Combination Of Atomic Spinors-molecular Spinors |
| DDVP | Dimethyl Dichlorovinyl Phosphate (dichlorovos REG: 62737) |
| TMC | Titanium Matrix Composite |
| SPPS | Solid Phase Peptide Synthesis |
| EEM | Elastic Emission Machining |
| NSE | Neuron-specific Enolase |
| EC | Enzyme Commission |