| Acronym | Meaning |
| UCMP | Unrestricted Compact Model Potential |
| TBBA | Tightly-bound-on-the-bond Approxn. (band Structure Crystal) |
| MTX(ALPHA) | Muffin-tin X(alpha) Statistical Exchange |
| MESA | Maximum Entropy Spectral Analysis |
| AFBC | Atmospheric Fluidized Bed Combustion |
| EFIN | Environmental Financing Information Network |
| UHTS | Ultra High-throughput Screening |
| TPPM | Two-pulse Phase Modulation |
| DIPPR | Design Institute For Physical Property Data |
| DFDL | Distributed-feedback Dye Laser |