| Acronym | Meaning |
| QLAR | Quantitative Localization Activity Relationship |
| BO | Bond Orbital |
| AGCM | Adiabatic Generator Coordinate Method (for Energy Level Calcn.) |
| MPIF | Metal Powder Industries Federation |
| CPSS | Chemist's Personal Software Series |
| SAMPL | Selective Amplification Of Microsatellite Polymorphic Loci |
| PEDRI | Proton-electron Double-resonance Imaging |
| IEEE | Institute Of Electrical And Electronics Engineers |
| ASP | Activated Sludge Plant Or Process |
| POA | Preoptic Area |