| Acronym | Meaning |
| HIGFET | Heterostructure Insulated Gate Field Effect Transistor |
| CMB | Cosmic Microwave Background |
| LLIT | Liq.-liq. Intermol. Transfer |
| MLS | Microwave Limb Sounder |
| OTE | Oxygen Transfer Efficiency (of Aeration Diffusers) |
| ESAP | Environmental Self-assessment Program |
| STN | Scientific And Technical Information Network |
| FI | Fouling Index |
| BAW | Bulk Acoustic Wave |
| FIAM | Free Ion Activity Model |