| Acronym | Meaning |
| CMX(2) | Second-order Connected Moments Expansion (method For Calcg. Correlation Energies Of Mols.) |
| QPT | Quasiparticle Tunneling |
| NAO | Natural Atomic Orbital |
| OTA | Office Of Technology Assessment |
| SAMPL | Selective Amplification Of Microsatellite Polymorphic Loci |
| ECAMSI | Electron Configuration Analysis For Many-system Interactions |
| ERIC | Educational Resources Information Center |
| ISC | Initial Safe Concentration |
| LSS | Life-Span Study |
| PDB | Peedee Belemnite |