| Acronym | Meaning |
| EKMA | Empirical Kinetic Modeling Approach (in Air Pollution) |
| INCRA | International Cooper Research Association |
| DTFBR | Draft Tube Fluidized Bed Reactor |
| SMSX(ALPHA) | Overlapping-sphere Multiple-scattering X(alpha) |
| DRC | Dynamic Reaction Cell |
| OAPP | Oxidized Atactic Polypropylene |
| MSA | Multivariate Statistical Analysis |
| SSRL | Stanford Synchrotron Radiation Laboratory |
| NODS | NASA Ocean Data System |
| BAFF | B-cell Activating Factor |