| Acronym | Meaning |
| AFBC | Atmospheric Fluidized Bed Combustion |
| MLE | Molecular Layer Epitaxy |
| WEFT | Water Elimination By Fourier Transform |
| ODFS | Optimized Dirac-Fock-Slater |
| AEFCA | All-electron Frozen-core Approximation |
| SBR | Styrene Butadiene Rubber |
| FDR | Frequency Domain Reflectometry |
| IA | Impulse Approximation |
| SCD | Self-consistent Dipole (approxn.) |
| GSA | General Services Administration |