| Acronym | Meaning |
| PFR | Plug Flow Reactor |
| VMO | Virtual Molecular Orbital |
| CPVC | Critical Pigment Volume Concentration |
| SIGLE | System For Information On Grey Literature In Europe |
| SGM | Scale Glass Melter |
| UFFI | Urea-formaldehyde Foam Insulation |
| MIOSA | Modified (rotational) Infinite Order Sudden Approxn. |
| LEAP | Local-electrode Atom Probe |
| OPE | Operator Product Expansion |
| PSPC | Position Sensitive Proportional Counter |