| Acronym | Meaning |
| MDPE | Medium-density Polyethylene |
| GFFF | Gravitational Field-flow Fractionation |
| CISDT | CI With Single And Double And Triple Excitations |
| LCMS | Liquid Chromatography-mass Spectrometry |
| VIVAH | Vibrational Variational Hyperspherical (for Mol. Calcns.) |
| AFSB | Anaerobic Fluidized Sludge Blanket |
| HAGAR | High Altitude Gas Analyzer |
| SCF2 | Two-electron Self-consistent Field |
| LEPD | Low Energy Photon Detector |
| IMF | Initial Mass Function |