| Acronym | Meaning |
| PDI | Polydispersity Index |
| PCL | Phase Conjugate Laser |
| SET | Single Electron Transistor |
| LHON | Leber's Hereditary Optic Neuropathy |
| LVL | Laminated Veneer Lumber |
| GSJ | Geological Survey Of Japan |
| DLL | Dynamic Link Library |
| NSPS | New Source Performance Standards |
| RAA | Rigid-atom Approxn. (in Electronic Structure Calcns.) |
| GLSL | Green Light Stimulated Luminescence |