| Acronym | Meaning |
| AFSEF | AIRS Facility Subsystem Emission Factors |
| ETP | Environmental Tracking Procedure |
| APM | Acoustic Plate Mode |
| NPA | Natural Population Analysis (for Electron Configuration Of Mols.) |
| FPC | Fractional Parentage Coeff. (in Group-theor. Calcns.) |
| CGTO | Contracted Gaussian-type Orbital |
| CFBR | Conventional Fluidized Bed Reactor |
| CBD | Cellulose-binding Domain |
| MPR | Mannose Phosphate Receptor |
| SCC | Stress-corrosion Cracking |