| Acronym | Meaning |
| MST | Microbial Source Tracking |
| MCT | Mercury Cadmium Telluride |
| NBS | National Bureau Of Standards |
| CAU | Carbon Adsorption Unit |
| SDIO | Strategic Defense Initiative Organization |
| AUDM | Advanced Unified Defect Model |
| DIC | Disseminated Intravascular Coagulation |
| ISTP | International Solar Terrestrial Physics |
| HORSES | Higher-order Raman Spectral Excitation Studies |
| HFSE | High Field Strength Element(s) |