| Acronym | Meaning |
| CNDO/2-FPP | Complete Neglect Of Differential Overlap With Finite Perturbation And Polarization |
| SINGER | System-wide Information Network For Genetic Resources |
| LGL | Large Granular Lymphocyte |
| TSA | Toluenesulfonic Acid |
| BIG/GT | Biomass Gasifier/gas Turbine (for Steam/electricity Cogeneration) |
| HEL | Human Erythroleukemia |
| GEMAP | Geocoded Emission Modeling And Projection |
| LSDFT | Local Spin Density Functional Theory |
| FOMBT | First-order Many-body Theory |
| CIOS | Corrected Infinite-order Sudden (approxn In Mol. Collisions) |