| Acronym | Meaning |
| PSP | Pressure-sensitive Paint |
| NSP | Non-starch Polysaccharide |
| NSTL | Near Surface Transition Layer |
| UMP2 | Unrestricted Moeller-Plesset 2nd-order (perturbation Theory) |
| PBM | Peripheral Blood Monocyte |
| TNN-TB | Third Neighbor Nonorthogonal (basis) Tight Binding |
| IWG | International Working Group |
| IMPPT | Intermolecular Moeller-Plesset Perturbation Theory |
| JIPID | Japanese International Protein Information Databank |
| DMSP | Defense Meteorological Satellite Program |