| Acronym | Meaning |
| IAHE | International Association For Hydrogen Energy |
| CFFE | Cumulative Fissile Fuel Enrichment |
| VBR | Variational Basis Representation (in Quantum Calcns.) |
| DIA | Drug Information Association |
| CTC | Charge-transfer Complex |
| APNO | Atomic Pair Natural Orbital |
| UFFI | Urea-formaldehyde Foam Insulation |
| VPSEM | Variable Pressure Scanning Electron Microscope |
| SOFC | Solid Oxide Fuel Cell |
| VSEP | Vibratory Shear Enhanced Process |