| Acronym | Meaning |
| IECSC | Inventory Of Existing Chemical Substance In China |
| TGN | Trans-Golgi Network |
| DC | Blood-air Distribution Coefficient |
| EFG | Edge-defined Film Growth (of Semiconductors |
| IAC | Immunoaffinity Chromatography |
| MECA | Multiple Excitation Collisional Activation |
| AOB | Analytical Operations Branch (OSWER) |
| CI | Configuration Interaction |
| GSCF | Generalized Self-consistent Field |
| HARM | Hazardous Atmospheric Release Model |