| Acronym | Meaning |
| ACP | Acid Phosphatase |
| IMP | Inosine 5'-phosphate |
| MPPCF | Millions Of Particles Per Cubic Foot |
| NPY | Neuropeptide Y |
| ISC | Initial Safe Concentration |
| DMRG | Density Matrix Renormalization Group (quantum Calcn. Method) |
| PESM | Photoelectron Spectromicroscopy |
| ICPP | Idaho Chemical Processing Plant |
| CTC | Charge-transfer Complex |
| HSBOW | Helical Spin Bond-order Wave |