| Acronym | Meaning |
| AXAF | Advanced X-ray Astrophysics Facility |
| PISA | Pharmaceutical Information Systems Association |
| FPP | Finite Perturbation And Polarization |
| ARF | ADP-ribosidation Factor |
| BPC | N-butylpyridinium Chloride |
| MSMA | Murrell-Shaw-Musher-Amos Exchange Perturbation Theory |
| LCAO | Linear Combination Of Atomic Orbitals |
| FFM | Friction Force Microscopy |
| VMS | Volcanogenic Massive Sulfide |
| ONBI | Oligonucleotide Bridge Intercalator |