| Acronym | Meaning |
| ARAC | Atmospheric Release Advisory Capability |
| PSA | Prostate-specific Antigen |
| HCI | Human-Computer Interface |
| PTEF | Photochem. Thermodynamic Efficiency Factor |
| LHRH | Luteinizing Hormone-releasing Hormone |
| OTIS | One-dimensional Transport With Inflow And Storage |
| LMSAL | Lockheed Martin Solar And Astrophysics Laboratory |
| HPIAC | High-performance Immunoaffinity Chromatography |
| CIMS | Chemical Ionization Mass Spectrometry |
| GFCM | Green-function Cellular Method |