| Acronym | Meaning |
| DRP | Dissolved Reactive Phosphorus |
| ESR | Electroslag Remelting |
| UHF | Ultra-high Frequency |
| MAIDS | Murine Acquired Immunodeficiency Syndrome |
| GSA | Generalized Sudden Approximation |
| PDPA | Phase Doppler Particle Analyzer |
| STEP | Solar Terrestrial Energy Program |
| TTSS | Type III Secretion System |
| STLC | Soluble Threshold Limit Concentration |
| ASIP | Aircraft Structural Integrity Program |