| Acronym | Meaning |
| EOS | Equation Of State |
| IPPP | Inner Projections (of The) Polarization Propagator (in Calcns. On Nuclear Spin Coupling) |
| ASIP | Aircraft Structural Integrity Program |
| SPMN | Soil Potentially Mineralizable Nitrogen |
| OPIDP | Organophosphate Induced Delayed Polyneuropathy |
| MWD | Molecular Weight Distribution |
| GISP | Greenland Ice Sheet Precipitation |
| SPECM | Scanning Photoelectrochemical And Electrochemical Microscopy |
| SRAPW | Scalar Relativistic Augmented Plane Wave |
| SSUSI | Special Sensor UV Spectrographic Imager |