| Acronym | Meaning |
| E-CATS | Electronic Catalog System |
| ESARDA | European Safeguards Research And Development Association |
| NRTI | Nucleoside Reverse Transcriptase Inhibitor |
| NBS | National Bureau Of Standards |
| MRI | Magnetic Resonance Imaging |
| CHFET | Complementary Heterojunction Field-effect Transistor |
| GHR | Growth Hormone Receptor |
| GSFC | Goddard Space Flight Center (of NOAA |
| ADL | Analytical Detection Limit |
| IAQINFO | Indoor Air Quality Information Clearinghouse |