| Acronym | Meaning |
| ZERI | Zero Emissions Research Initiative |
| DRAW | Digital Read After Write |
| NPV | Net Present Value {economics} |
| DSPB | Distorted-wave Strong-potential Born (approxn.) |
| CEF | Crystal Electric Field |
| MSP | Monosodium Phosphate |
| DEMS | Differential Electrochemical Mass Spectrometry |
| NCDC | National Climatic Data Center |
| (SC)2CI | Self-consistent Size-consistent CI |
| APA | Air Pathway Analysis |