| Acronym | Meaning |
| EHCO | Extended Hueckel Crystal Orbital |
| DIP | Document Image Processing |
| DHXP | Dihexyl Phthalate |
| BRFI | Brewing Research Foundation International |
| MBMS | Molecular Beam Mass Spectrometry |
| BAO | Best Atomic Orbital Basis |
| USN | Ultrasonic Nebulizer |
| ETI | Environmental Testing Industry |
| TSW | Torsional Spin Wave (type Of Hartree-Fock Wave Function) |
| ACTS | Advisory Committee On Toxic Substances |