| Acronym | Meaning |
| ENSDF | Evaluated Nuclear Structure Data File |
| OSIRIS | Oxford Supersensitive Injector For Radioactive Isotope Separation |
| RCHF | Relaxed-core Hartree-Fock (approxn. In Calcns. On Mol. K-shell Excitation Spectra) |
| DFM | Dynamic Force Microscopy |
| DTC | Developmental Test Command [US Army] |
| GCW | Groundwater Circulation Well |
| RTV | Room Temperature Vulcanization |
| SOMBT | Second-order Many-body Theory |
| DRLFP | Diffuse Reflectance Laser Flash Photolysis |
| STECS | Solar Thermal Electric Conversion Systems |