| Acronym | Meaning |
| MASIF | Measurement And Analysis Of Surface Interaction Forces |
| LCHAD | Long-chain 3-hydroxyacyl-CoA Dehydrogenase |
| CSACM | Canonical Statistical Adiabatic Channel Model (in Reactions) |
| COSAC | Cometary Sampling And Composition |
| MYF5 | Myogenic Factor 5 |
| SODAR | Sound Detection And Ranging (meteorological Instrument) |
| SDH | Succinate Dehydrogenase |
| HEC | Human Equivalent Concentration |
| NCTR | National Center For Toxicological Research |
| LCLO | Linear Combination Of Localized Orbitals |