| Acronym | Meaning |
| DSP | Digital Signal Processor |
| VU-CCSD/R | Valence Universal-coupled Cluster (with) Single (and) Double (excitations) (r = Radial Components Of The Cluster Amplitudes) |
| FID | Free Induction Decay (Fourier Transform Spectroscopy) |
| BELLE | Biological Effects Of Low Level Exposures |
| IBS | Incomplete Basis Set |
| EP | Extraction Procedure |
| UJT | Unijunction Transistor |
| QRHF-CC | Quasirestricted Hartree-Fock Coupled Cluster |
| CLD | Certainly Lethal Dose |
| OIA | Office Of International Activities |