| Acronym | Meaning |
| PPR | Projection Pursuit Regression |
| DISC | Death-inducing Signaling Complex |
| OSPARCOM | Oslo And Paris Commission [Environmental Regulations For The European Community] |
| LTMLS | Low Temperature Molecular Luminescence Spectroscopy |
| OMTP | Overlap-multipole-expansion Procedure |
| HPOTP | High Pressure Oxidizer Turbopump |
| SAR | Sodium Absorption Ratio |
| PSMBE | Plasma Source Molecular Beam Epitaxy |
| FMIR | Frustrated Multiple Internal Reflection |
| SHAPM | Shear Horizontal Acoustic Plate Mode |