| Acronym | Meaning |
| AHF | Approximate Hartree-Fock Method |
| CITE | Chemical Instrumentation Test And Evaluation |
| CD | Coulomb Dipole (in Electron-atom Impact Ionization Calcns.) |
| FAMA | Fluorescent Antibody Membrane Antigen |
| HCO | Heavy Cycle Oil |
| ANCA | Anti-neutrophil Cytoplasmic Antibodies |
| GOR | Gas/oil Ratio |
| IRLG | Interagency Regulatory Liaison Group |
| CIV | Critical Ionization Velocity (ionosphere) |
| DH | Dortmund-Hoerder (German Vacuum Steel Refining) |