| Acronym | Meaning |
| DF-SCF | Dirac-Fock Self-consistent Field |
| ADAP | Angular Distribution Of Annihilating Photons |
| TPM | Two-potential Model (in At. Scattering Calcns.) |
| CDPF | Catalytic Diesel Particulate Filter |
| ACJ | Artificially Constructed Junction (in Solar Cell Fabrication) |
| ARUPS | Angle-resolved Ultraviolet Photoelectron Spectroscopy |
| BCF | Beneficiated Coal Fuel |
| BSO | Brueckner Spin Orbitals |
| RAG | Risk Assessment Guideline |
| EBW | Electron Beam Welding |