| Acronym | Meaning |
| G2 | Gaussian-two (an Ab Initio Mo Theory For Mol. Energies Calcn.) |
| MQDT | Multichannel Quantum Defect Theory |
| ASDW | Axial Spin Density Wave |
| CDP | Cytidine 5'-diphosphate |
| TIU | Technical Information Unit |
| MSFC | Marshall Space Flight Center |
| HCL | Hollow Cathode Lamp |
| AVP | Arginine Vasopressin |
| VNS | Vicarious Nucleophilic Substitution |
| MOVFF | Modified Orbital Valence Force Field |