| Acronym | Meaning |
| UHE | Ultra-high Energy |
| HAPEX | Hydrological And Atmospheric Pilot Experiment |
| DFP | Diisopropyl Fluorophosphate |
| WKB | Wentzel-Kramers-Brillouin (phase-shift Formula For Potential Scattering) |
| BAL | Blood Alcohol Level |
| RD | Remedial Design |
| ISM | Intersecting Spheres Model (for Electronic-structure Calcns.) |
| HPIEC | High-pressure Ion-exchange Chromatography |
| CHTS | Combinatorial High-throughput Screening |
| GDAAS | Glow Discharge Atomic Absorption Spectrometry |