| Acronym | Meaning |
| PB | Particle Beam |
| ASAXS | Anomalous Small-angle X-ray Scattering |
| CD-SCSAG | Centrifugal Dominant-small Curvature Semiclassical Adiabatic Ground State (tunneling Approxn.) |
| VCI | Variational Configuration Interaction (quantum Calcn. Method) |
| WPB | Within Plate Basalts |
| PAHO | Pan American Health Organization |
| MCC | Microcrystalline Cellulose |
| ICCP | International Committee For Coal Petrology |
| DHHS | Department Of Health And Human Services |
| ICD | International Classification Of Diseases |