| Acronym | Meaning |
| IME | Interdigitated Microsensor Electrode |
| ICC | Interstitial Cells Of Cajal |
| NLPS | Nonreactive |
| PIA | Peaking Impulse Approxn. (for Electron-exchange Collisions) |
| NCAP | Noncriteria Air Pollutants |
| HRXPS | High Resolution X-ray Photoelectron Spectroscopy |
| OTC | Ozone Transport Commission |
| CDK | Cyclin Dependent Kinase |
| LLOD | Lower Limit Of Detection |
| STE | Self-trapped Exciton |