| Acronym | Meaning |
| ATECT | Acetyl Triethyl Citrate |
| DIVAH | Diagonally Corrected Vibrationally Adiabatic Hyperspherical (theory In Scattering Calcns.) |
| FIDA | Fluorescence Intensity Distribution Analysis |
| ORAQI | Oak Ridge Air Quality Index |
| STB | Semiempirical Tight Binding |
| TDMF | Time-dependent Mean Field |
| ERBS | Earth Radiation Budget Satellite |
| DIB | Dibutyl Chlorendate |
| HAT | Humid-air Turbine [cycle] |
| AFA | Abstract Factor Anal. (statistics) |