| Acronym | Meaning |
| HEDG | High Efficiency Deep Grinding |
| EFA | Envelope Function (i.e. |
| SRA | Sudden Rotation Approximation |
| HDF | Hubble Deep Field |
| DSA | Dimensionally Stable Anode |
| PKD | Protein Kinase D |
| LCVO | Linear Combination Of Valence Orbitals |
| ADPIC | Atmospheric Dispersion Particle-in-Cell |
| SIOA | Surface-induced Optical Anisotropy |
| MLSS | Mixed Liquor Suspended Solids |