| Acronym | Meaning |
| NTIAC | Nondestructive Testing Information Analysis Center |
| CSEM | Coherent Self-energy Method |
| PAM | Peptidylglycine Alpha-amidating Monooxygenase |
| LSA | Linear Superposition Approximation |
| RDF | Refuse Derived Fuel |
| MPQC | Massively Parallel Quantum Chemistry |
| QCA | Quasichemical Approxn. (in Calcns. On Semiconductors) |
| HUVEC | Human Umbilical Vein Endothelial Cell |
| ADS | Accelerator Driven System |
| UASB | Upflow Anaerobic Sludge Blanket |