| Acronym | Meaning |
| POLINAT | Pollution From Aircraft Emissions In The North Atlantic Flight Corridor |
| GGC | Generalized Gradient-corrected (density-functional) |
| PMSR | Pairwise-mixing Stirred Reactor |
| OBDD | Ordered Bicontinuous Double-diamond |
| ISPD | Ion-selective Photodiode |
| AO | Office Of The Administrator |
| ICMA | Immunochemiluminometric Assay |
| CQED | Consortium For Quality Environmental Data |
| MSO | Maximum Similarity (spin) Orbital |
| CDA | Conceptual Design Activity |