| Acronym | Meaning |
| ANS | Autonomic Nervous System |
| FMASH | FeO-MgO-Al2O3-SiO2-H2O System |
| APNEA | Active Passive Neutron Examination And Assay |
| BMSC | Bone Marrow Stromal Cell |
| FFFSG | Fossil Fuel Fired Steam Generator |
| ULTRA | Underground Leak Transport Assessment Model |
| FIFRA | Federal Insecticide |
| SIVE | Steam Injection And Vacuum Extn. (hazardous Waste Treatment) |
| CCA | Copper Chromium Arsenic |
| FEOE | Full Equalization Of Orbital Electronegativity |