| Acronym | Meaning |
| OUST | Office Of Underground Storage Tanks |
| CPI | Chemical Patents Index |
| ALEX | Aerosol LIDAR Experiment |
| BGA | Ball Grid Array [electronic Packaging] |
| BSE | Bovine Spongiform Encephalopathy |
| INO | Iterative Natural Orbital |
| EIG | Electrostatic Ion Guide |
| EMIT | Enzyme-multiplied Immunoassay Technique |
| SEGD | Surfactant-enhanced Gravity Drainage [as Of Subsurface Contaminants] |
| VCC-IOS | Vibrational Close-coupling-(rotational) Infinite-order Sudden (for Inelastic Mol. Collisions Calcns.) |