| Acronym | Meaning |
| GASPE | Gated Spin-echo |
| PTEAM | Particle Total Exposure Assessment Methodology |
| MECA | Multiple Excitation Collisional Activation |
| RCNDO | Rydberg CNDO |
| FCA | Fuzzy Cluster Analysis |
| ASKA | Analog Sensitive Kinase Allele |
| ATM | Analytic Tetrahedron Method (for Brillouin-zone Integrals And Electron Spin Densities) |
| WLF | Williams-Ferry-Landel [viscosity Math. Relation/parameter] |
| QPF | Quantitative Precipitation Forecasts |
| EDGAR | Electronic Data Gathering |