| Acronym | Meaning |
| MCPP | (+/-)-2-(4-chloro-2-methylphenoxy)propionic Acid (REG: 7085190) |
| NGV | Natural Gas Vehicle |
| VEOMP | Valence-electron-only Model Potential (for Mol. SCF Calcns.) |
| NEMO | Nonempirical Molecular Orbital |
| APO B | Apolipoprotein B |
| BPR | Bromopyrogallol Red |
| DERA | Defense Environmental Restoration Act |
| CN | Condensation Nucleus |
| AODP | Advanced Ocean Drilling Program |
| SMIDG | Submicro Inverse-detection Gradient |