| Acronym | Meaning |
| ACAMS | Automatic Continuous Air Monitoring System |
| SPEED | SiRNA Prodn. By Enzymatic Engineering Of DNA |
| ECCD | Electron Cyclotron Current Drive |
| TPAD | Temperature-phased Anaerobic Digestion |
| GLNPO | Great Lakes National Program Office |
| TPA | Two-photon Absorption |
| GSM | Global System For Mobile Telecommunications |
| ST4CCD | Coupled Cluster (with) Double (substitutions And) Single (and) Triple (substitutions Incorporated Via) Fourth-order (perturbat |
| ELF | Extremely Low Frequency |
| CDRH | Center For Devices And Radiological Health |