| Acronym | Meaning |
| OCE-DF | One-center Expansion Dirac-Fock |
| NPD | Nitrogen Phosphorus Detector (gas Chromatography) |
| ACS | Acute Coronary Syndrome |
| AMTS | Advanced Moisture And Temperature Sounder |
| LSIRD | Lunar Scout Infrared Detector |
| CJCP | Corrected Coupled J Cross-polarization Spectra |
| VISTTA | Visibility Impairment From Sulfur Transformation And Transport In The Atmosphere |
| TEC | Transport Emergency Card |
| MGED | Microarray Gene Expression Database |
| CHERS | Charge Exchange Recombination Spectroscopy |