| Acronym | Meaning |
| ARF | ADP-ribosylation Factor |
| TEO | Topological Equivalent Orbital |
| GLAST | Gamma-ray Large Area Space Telescope |
| HVLP | High-volume Low Pressure [spray Gun] |
| SPASE | South Pole Air Shower Expt. |
| RECA | Regional Energy Convergence Approxn. (in Total Energies Calcns.) |
| DUVPL | Deep Ultraviolet Projection Lithography |
| CCOSM | Chemistry And Circulation Occultation Spectroscopy Mission |
| ESPT | Excited-state Proton Transfer |
| HFJ | Hartree-Fock-Jucys (in Electron-correlation Corrections Calcn.) |