| Acronym | Meaning |
| PIV | Particle Image Velocimetry |
| FOCS | Fiber Optic Chemical Sensor |
| ISM | Intersecting Spheres Model (for Electronic-structure Calcns.) |
| DMAD | Dimethyl Acetylenedicarboxylate |
| CLU-IN | Clean-Up Information Bulletin Board System (formerly OSWER-BBS) |
| FWHH | Full Width At The Half-height |
| HIRIS | High Resolution Imaging Spectrometer |
| ODS | Ozone Depleting Substances |
| SMM | Single-molecule Magnet |
| S-MPPT | Supermolecular Moeller-Plesset Perturbation Theory |