| Acronym | Meaning |
| TMAFM | Tapping Mode Atomic Force Microscopy |
| PNA | Paraffins, Naphthenes, And Aromatics (in Petroleum Analysis) |
| PIA | Peaking Impulse Approxn. (for Electron-exchange Collisions) |
| EOS | Equation Of State |
| AGP | Alpha-1-acid Glycoprotein |
| SO SCF | Spin-optimized Self-consistent Field |
| ASF | Air Sea Fluxes |
| HSES | Hydrostatic Equilibrium System |
| UPTF | Upper Plenum Test Facility |
| DIGE | Deuteron Induced Gamma-ray Emission |