| Acronym | Meaning |
| LDEF | Long Duration Exposure Facility (for Spacecraft Material Testing) |
| JJT | Josephson Junction Transistor |
| CC-VTZ | Correlation Consistent-valence Triple Zeta (basis Set) |
| FAPES | Furnace Atomization Plasma Emission Spectrometry |
| LAOCOON | Least-squares Adjustment Of Calculated On Observed NMR Spectra |
| ELI | Extra Low Interstitial |
| NDWBA | Normalized Distorted-wave Born Approximation |
| DIDA | Direct Isotope Dilution Analysis |
| CEES | Committee On Earth And Environment Sciences (US) |
| SOA | Semiconductor Optical Amplifier |