| Acronym | Meaning |
| HEGO | Heated Exhaust Gas Oxygen |
| CIBE | Continuous Interfacial Bilayer Electrode |
| SXRFM | Synchrotron X-ray-fluorescence Microprobe |
| AIC | Acceptable Intakes For Chronic Exposure |
| HFCC | Hyperfine Coupling Constant |
| SNCR | Selective Noncatalytic Reduction |
| CIRRUS-1A | Cryogenic IR Radiance Instrumentation For Shuttle |
| HRV | Human Rotavirus |
| BRCA2 | Breast Cancer Gene 2 |
| NSSTC | National Space Science And Technology Center |