| Acronym | Meaning |
| GAIIA | Global Alliance Of Information Industry Associations |
| OAR | Office Of Air And Radiation (USEPA) |
| NCDS | NASA Climate Data System |
| NICMOS | Near-IR Camera And Multiobject Spectrometer |
| ECRIS | Electron Cyclotron Resonance Ion Source |
| SADP | Selected Area Diffraction Patterns |
| CBXT | Community-Based Clinical Trial |
| MESIMS | Matrix-enhanced Secondary Ion Mass Spectrometry |
| TDGC/MS | Thermal Desorption Gas Chromatography/mass Spectrometry |
| PRA | Plasma Renin Activity |