| Acronym | Meaning |
| LSA | Linear Superposition Approximation |
| IUPHAR | International Union Of Pharmacology |
| EAA | Excitatory Amino Acid |
| MBGF | Many-body Green Function |
| MOCVD | Metal Org. Chem. Vapor Deposition |
| RADW | Rotationally-adiabatic Distorted-wave |
| OVFF | Orbital Valence Force Field |
| SIM | Standards Injection Module |
| AIR CHIEF | Air ClearingHouse For Inventories And Emission Factorspar |
| NCAT | National Catalog Database (accessible Through OLS) |