| Acronym | Meaning |
| HIBS | Heavy Ion Backscattering Spectrometry |
| AIHA | Autoimmune Hemolytic Anemia |
| B1B | (coulomb) Boundary-corrected First Born (for Scattering) |
| HILDA | High-Latitude Exchange/Interior Diffusion-Advection Model |
| NPL | Nonparametric Linkage |
| DDLS | Depolarized Dynamic Light Scattering |
| MCCHF | Multiconfiguration Coupled Hartree-Fock |
| HRADS | High Resolution Adsorption |
| CVM | Cluster Variation Method (in Calcns. On Semiconductors) |
| LEO | Low Earth Orbit |