| Acronym | Meaning |
| PSA | Prostate-specific Antigen |
| SRPL | Spatially Resolved Photoluminescence |
| NGL | Natural Gas Liquid (usually Ethane Or Propane) |
| WATR | Water Attenuation By Transverse Relaxation |
| ISE | Ion Selective Electrode |
| SIRMS | Stable Isotope Ratio Mass Spectrometry |
| FIIA | Flow Injection Immunoassay |
| FAPAS | Food Analysis Performance Assessment Scheme |
| AFS | AIRS Facility Subsystem (subsystem Of AIRS) |
| PSMBE | Plasma Source Molecular Beam Epitaxy |