| Acronym | Meaning |
| VQP | Variable Quadratic Propagator (in Quantum Calcns.) |
| TE | Thermionic Emission |
| PAPP-A | Pregnancy-associated Plasma Protein A |
| TPY | Total Photon Yield |
| TDS | Total Dissolved Solids |
| FETI | Fire, Explosion And Toxicity Index |
| CCPE | Charge Core Potential Energy Method (for Conformational Analysis) |
| VMAT | Vesicular Monoamine Transporter |
| ADA | Adenosine Deaminase |
| SCC | Self-consistent Charge Method |