| Acronym | Meaning |
| OMP | Outer Membrane Protein |
| ISAST | Irreversible Sorption Affected Solute Transport [model] |
| PIXIE | Polar Ionospheric X-ray Imaging Experiment |
| RBCODUR | Readily Biodegradable Chemical Oxygen Demand Uptake Rate |
| TCA | Total Constituent Analysis |
| CONCAWE | Conservation Of Clean Air And Water In Western Europe [European Community Organization] |
| EARISS | Energy And Angle Resolved Ion Scattering Spectroscopy |
| CFP | Centrifuge Facility Project |
| CRMGT | Channel Regulated MOS-gated Thyristor |
| AEERL | Air And Energy Engineering Research Laboratory (US EPA) |