| Acronym | Meaning |
| NPA | Natural Population Analysis (for Electron Configuration Of Mols.) |
| ACPD | Alternating Current Potential Drop |
| DPP | Differential-pulse Polarography |
| AFCOP | Active Filler-controlled Pyrolysis |
| EPACSAR | EPA Chemical Activities Status Report |
| CBO | Crude Born-Oppenheimer (wave Functions) |
| DRS | Direct Recoil Spectroscopy |
| OCT | Optimized Cluster Theory |
| LIDAR | Laser Intensity Direction And Ranging |
| GSCRF | Generalized Self-consistent Reaction Field |