| Acronym | Meaning |
| CINDO | Closed Shell Intermediate Neglect Of Overlap Method |
| VCXO | Voltage Controlled Crystal Oscillator |
| VPD | Vapor Pressure Deficit |
| CEN | Comite Europeen De Normalization |
| TST | Transition State Theory |
| NEPHGE | Non-equilibrium PH Gradient Electrophoresis |
| SMMO | Strictly Monomer Molecular Orbital |
| ESG | Electronic Specialty Gases |
| DFA | Discontinuous Flow Analysis |
| DMC | Double Metal Cyanide |