| Acronym | Meaning |
| FIPS | Federal Information Processing Standard |
| DSRT | Deep Sea Reversing Thermometer |
| GHL | Generalized Heitler-London |
| CRIOSA | Classical Reactive Infinite Order Sudden Approxn. |
| SINGER | System-wide Information Network For Genetic Resources |
| ECL | Environmental Chemical Laboratory |
| SCCF | Self-consistent Crystal Field (method For Calcns. On Molecular Crystals) |
| TUNEL | Terminal Deoxynucleotidyl Transferase-mediated DUTP Nick End-labeling |
| AICHE | American Institute Of Chemical Engineers |
| ADST | Average Daily Soil Temperature |