| Acronym | Meaning |
| RIA | Reactivity Initiated Accident |
| CSR | Coke Strength After Reaction |
| PUCHF | Perturbed Uncoupled Hartree-Fock |
| NFP | Neurofilament Protein |
| ALS | Antilymphocyte Serum |
| GFIS | Gas Field Ion Source |
| BLR | Broad Line Region |
| COED | Computer Optimized Experimental Design |
| HSPF | Hydrological Simulation Program-Fortran |
| QFDFT | Quantum-fluid Density-functional Theory |