| Acronym | Meaning |
| DARTAB | Dose And Risk Assessment Tabulation |
| DNP | Dynamic Nuclear Polarization |
| HLR | Hydraulic Loading Rate |
| PBMS | Particle Beam Mass Spectrometry |
| D.I. | Direct Injection [of Diesel Engines] |
| QUAL2E | Enhanced Stream Water Quality Model |
| TRE | Toxicity Reduction Evaluation |
| MOPA | Master Oscillator Power Amplifier |
| QDM | Quadrature Discretization Method (in Electron Transport Properties Calcns.) |
| ESWL | Extracorporeal Shockwave Lithotripsy |