| Acronym | Meaning |
| NIXSW | Normal Incidence X-ray Standing Wave |
| HASI | Huygens Atmospheric Structure Instrument |
| SALCCSD | Spin-adapted Linear Coupled-cluster (with) Single And Double Excitations) |
| OCPSF | Organic Chemical, Plastics, And Synthetic Fiber Industry |
| GSHV | Ground Squirrel Hepatitis Virus |
| IMFP | Inelastic Mean Free Paths |
| ISPCR | In Situ Polymerase Chain Reaction |
| SSC | Sulfide Stress Cracking |
| COPM | Carter Ozone Per Mile |
| HGCU | Hot-gas Particulate Cleanup |