| Acronym | Meaning |
| PAB | Pollutant Assessment Branch (US EPA) |
| TEER | Transepithelial Electric Resistance |
| LD | Limits Of Detection |
| FACT | Fuel And Combustion Technology |
| ASLEEP | Automated Scanning Low Energy Electron Probe |
| SUCCESS | Subsonic Aircraft: Contrail And Cloud Effects Special Study |
| AERL | Air And Energy Engineering Research Laboratory |
| DIGGER | Discrete Isolation From Gradient-governed Elimination Of Resonances |
| HDL | High Density Lipoprotein |
| DWX | Distorted-wave Approxn. With Exchange |