| Acronym | Meaning |
| PISCES | Passive In-Situ Concn. Extn. Sampler |
| FRM | Fiber-reinforced Metals |
| BOCLE | Ball-on Cylinder Lubricity Evaluator |
| ADAF | Advection-dominated Accretion Flow |
| MWPC | Multiwire Proportional Chamber |
| IILE | Ion-induced Light Emission |
| PINS | Portable Isotopic Neutron Spectroscopy |
| ISDN | Isosorbide Dinitrate |
| RMT | Random Matrix Theory |
| HPT | High Precision Translator |