| Acronym | Meaning |
| IEM | Interstitial Electron Model |
| CFSTR | Continuous Flow Stirred Tank Reactor |
| PFGSE | Pulsed Field-gradient Spin-echo |
| MALT | Mucosa-associated Lymphoid Tissue |
| NSC | National Safety Council |
| ARRPA | Air Resources Regional Pollution Assessment Model |
| NLC | Nematic Liq. Crystal |
| OSAILS | Optical Sensor Array And Integrated Light Source |
| SBLA | Sealed Bipolar Lead Acid (battery) |
| MOST | Metal Oxide Semiconductor Transistor |